Actuators for operation in harsh environments, such as high or low temperatures, corroding chemicals, or vibrations, must be designed accordingly.

Industrial actuators include several features that help ensure their durability and the highest possible Ingress Protection rating (IP69K): aluminium housings, coated PCBs to protect the electronics, polished inner tubes to reduce the moisture ingress, specially selected cork sealings for harsh environments and dust explosive environments (ATEX and IECEx).

The surface of aluminium housings for LINAK^® industrial actuators is resistant to corrosion, and cables are easily replaced without compromising the actuator’s IP rating. In certain cases, where an actuator is in touch with extremely corrosive materials or exposed to vapours, such as fertilizers and ammoniac, we recommend choosing an anodised housing, as it comes with a special coating.

The efficiency of an actuator is directly related to the motor, the gears, and the spindle, and how these components work together.

Because of the spindle and its shape, an electric actuator will always provide the same output power, regardless of the load applied, whereas a hydraulic or pneumatic system will provide a varied efficiency between push or pull. Even though the pressure in such a system is the same, the inside area through which the oil or air travels will be smaller when running inwards in pull, and the efficiency relatively lower than in push.

Regardless of the load, an electric actuator can run at the same speed both in push and pull.

With the actuator output power available, you can choose to move a high load at a low speed, or the other way around. If you multiply the load with the speed, you will get the output power required for the right movement – this will give you a good indication which actuator model you need. With a LINAK^® actuator you can choose between different gears and spindle pitches to get the ideal solution.

There are many different types of spindles and spindle nuts for electric linear actuators, and they are always selected based on the required load and performance of an actuator. For example, for lifting heavier loads, the nut must be longer to better distribute the load between the threads in the nut.

Spindle geometry must be considered to obtain an optimal efficiency output of a spindle. Trapezodial, high profile and low profile are examples of spindle geometry used for LINAK industrial actuators.

The B10 Life value is found by testing groups of actuators at a certain load.

In real life however, many applications have load profiles, which means that the actuator has varying loads throughout the stroke.

In these cases, we need to determine the equivalent load to find the B10 Life.

You can learn how that is done in this video.

The functionality of a DC motor is based on the principle of induction. Induction is the current that is generated inside the magnetic field, when the inductor or magnetic field rotates.

When current flows through the armature coil, an electromagnetic force is induced, and the coil begins to rotate.

When the coil reaches the opposite magnetic field, the commutator rings will touch the power source of the opposite polarity. This means that the electromagnetic pull will change direction, and the coil will continue to rotate in the same direction.

The design of actuator housings is highly influential when it comes to the performance of the actuators: The back fixture can either be welded on the housing itself or be attached as a separate stainless-steel back-fixture.

In either case, the push/pull forces created when moving a load will travel differently through the actuator and its housing. Actuators handling higher loads are usually designed with a separate back fixture to ensure that the housing is not directly exposed to the force. Higher loads in combination with vibrations can damage the housing and reduce the actuator’s ingress protection.

The B10 Life values can help you design your application. At LINAK^®, the values offer a lifetime estimate for electric linear actuators used in an application, such as off-highway vehicles, industrial automation applications, and agricultural machinery. B10 life not only helps in selecting which actuator to use – it can also be an invaluable tool for predicting maintenance.

Actuator housings are typically made of either plastic or aluminium. Actuators with plastic housings are suitable for a wide range of mainly indoor applications. Aluminium housings help protect an actuator from harsh environments, such as fluctuating temperatures, chemicals, high forces, and vibrations.

An actuator with plastic housing is very suitable for use in a wide range of machinery. It should be noted that in case of frequent temperature fluctuations, plastic relaxation can occur, and the actuator's ingress protection can diminish over time. If used in harsh environments, an industrial actuator with an aluminium housing is recommendable.

An actuator with aluminium housing offers a high IP rating, and its form is unaffected by prolonged temperature fluctuations or chemicals, making it ideal for use in harsh environments.

There are many benefits of using an aluminium housing, and if the actuator is intended to operate under tough use conditions, then you should always take the housing design into consideration.

There are pros and cons with any type of gear for actuators.

When comparing plastic gears to steel gears, plastic gears generally have lower efficiency and are more sensitive to high temperatures. However, if an actuator is used within its specifications, for instance, by running the actuator to its end stop each time or by avoiding mechanical blocking, the gear material will not be affected and will not influence the actuator’s overall performance or service life negatively.

Plastic gears are low-noise, which make them suitable for environments and applications where a low noise level is important.

Industrial actuators can be used in harsh environments with heavy loads, many duty cycles, or high temperatures. In such cases, steel gearing, including spur and planetary gears, prove the necessary robustness and efficiency needed for optimal actuator performance. Steel gears are not limited by fixed duty cycle restrictions, as the generated heat from a moving actuator will rarely reach levels high enough to harm the gear material.

Still, most LINAK^® industrial actuators have a set duty cycle of 20% to ensure that generated heat will not affect other actuator components.

To achieve optimal actuator performance, you need a stable power supply, the right cabling and the right input voltage:

A stable power supply: Should match the nominal voltage of the motor.

Cabling: The shorter and thicker the cables, the less resistance there is for the input current to reach the DC motor.

Input voltage: In case you choose to run a DC motor with over or undervoltage, it can overload the motor.

There are many types of gears in electric linear actuators, but the two gear types, plastic and steel gears, are commonly used for industrial actuators. Both types of gears come in different forms:

• Spur gear is characterised by having straight teeth. Spur gears have a high efficiency, even in environments with high temperatures. However, the high efficiency comes at a cost, since these gears generate more noise compared to other types.
  
  
• Helical gear is a good choice, when you want a smooth and silent operation. However, these gears offer a lower efficiency compared to the spur gears, and the axial thrust of the gear shafts generate heat, which must be considered in the overall actuator design.
  
  
• Worm gear makes it possible to reduce the noise by increasing the gear ratio before running the actuator. Increasing the gear ratio equals using a gear wheel with a larger diameter. Worm gears of plastic often have a low efficiency, since this type of gearing is self-locking. If you need to further increase the self-locking ability, it will in some cases be necessary to add a brake.
  
  
• Planetary gear is made from smaller gears circling a larger gear wheel. Typically, this type of gearing is very robust and efficient due to the equal distribution of force through the gear wheels. It provides a high gear ratio in a compact size and is used in several industrial actuators.

A DC motor is a rotary machine that converts electric energy into mechanical energy.

Inside the stator, or the motor housing, the permanent magnets are mounted. These magnets create a constant magnetic field.

The two brushes touch the commutator that leads the DC power from the source to the electromagnetic coil.

Ball bearings ensure minimal friction between the shaft and the outer elements of the motor.

The spindle pitch is the distance that a nut travels when rotating 360 degrees on a spindle. So, if the spindle pitch is 12 mm, it means that the nut travels 12 mm on one spindle revolution.

The higher the spindle pitch, the more efficient the actuator becomes since there is less friction between the nut and the spindle.

But a high spindle pitch also entails a low self-locking ability. With the self-locking ability, the actuator does not back drive when stopped at its target position, not even if is it exposed to high load or vibrations; unless, of course, it is supposed to move.

Generally, if you have a spindle with a low efficiency, the actuator is self-locking.

If the actuator is not self-locking, a brake is used to keep the actuator in a fixed position.

The efficiency of a DC motor is the ratio between the input power and the output power measured in Watt. And the power input is proportional to the load that must be moved. Many of the motor parts have a negative impact on the motor’s efficiency resulting in heat being generated. This is also true for very high or low ambient temperatures that are often present in the working environments of industrial actuators.

The stroke length of an actuator refers to the maximum distance the actuator will move or extend. This is the range of linear motion from its fully retracted position to its fully extended position. In essence, it is a measure of how far the actuator's rod or piston can travel in a single motion.

The stroke length of an actuator depends on the length of the spindle. LINAK^® actuators are generally very versatile and stroke lengths up to 1.20 meters can be specified according to customer requests. But, when considering actuators with long stroke lengths, there are some limitations. When running long strokes in push, we reduce the maximum load specification. The reason is that the higher the load and the further away from the inner position the nut travels on the spindle, the bigger the strain is on the actuator.

Yes, in Actuator Connect™ you can ‘Save configuration’. This is especially useful, if you are testing various features on a prototype and would like to make a backup of the configuration. Indeed a time-saving feature for e.g. parallel systems, as you do not have to configure every single feature on all actuators.

Yes! I/O actuators offer various wiring possibilities for input and output. The functionality of these inputs and outputs can be customised directly in Actuator Connect™, and the wiring diagram is updated accordingly.

A total of 6 wires can be customised. Some of the wires are reserved for a specific functionality and cannot be changed.

No. For actuators with integrated controller the clutch is an unnecessary component. Instead, actuators with IC Integrated Controller™ use a current limit to ensure that the actuator automatically stops, if it meets an obstacle or other resistance in the application. Current limits are designed to help protect both the application and the actuator.

Just like we offer real-time charts, you can get real-time information about the electric actuator’s current consumption or temperature via an analogue or digital signal directly to your PLC.

By using the analogue output, you can get a real-time view of the exact values – presented as either a 0-10 V or 4-20 mA signal (ranges can be customised).

With the digital signal, you can monitor a predefined range and be alerted if the measured values are outside of this range.

One of the most important things to know about an actuator is its position. The physical position of a PCB controlled linear actuator is based on Hall effect sensors, counting the number of pulses per spindle revolution.

Traditionally, electrical switches were mounted at each end of the spindle which calibrated the positioning system every time a physical end stop was reached. To ensure reliable position feedback from the actuator, it was required to have at least one of these end-stop switches activated on a regular basis. If not, the position feedback could drift over time due to Hall pulses on the encoder being missed, predominantly while powered down.

Because of this limitation, an application where the actuator did not make use of the full stroke could result in inaccurate position feedback over time.

A new initialisation principle, developed by LINAK^®, has changed the way linear motion can be initialised. It takes advantage of a small magnet mounted in the spindle nut, which moves past two Hall sensors on the actuator PCB located early in the stroke length at what we call the “zero” point. The sensors react when the magnet in the spindle nut passes by – thereby creating two Hall signals. The microprocessor checks for the intersection of the two magnetic fields and uses the intersection as a reference point for initialisation.

The B10 Life values depend on many factors like temperature, vibration, load etc. that can all affect the lifetime of the actuator. At LINAK^®, the current B10 Life values are solely based on the load.

To determine the B10 Life of an actuator, we test a number of actuators – with the exact same specification and in identical scenarios – and let the test run until all the actuators fail. Upon completion of the test, the B10 Life curves can be generated based on the results.

You can get more details in the video below.

Machinery working in highly corrosive environments, such as agriculture and marine industries, require reliable movement solutions that are resistant towards a wide range of chemicals, fertilisers, and salt. To confirm effective and long-term reliability throughout their service life, LINAK^® industrial actuators undergo a series of harsh corrosion tests.

The actuators are exposed to salt vapours, chemical substances, diesel oil, hydraulic fluid, and more. All these substances affect both the plastic and metal part of the actuators.

Watch how we test for salt and chemicals resistance.

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A brushless DC motor, also known as a BLDC motor, is driven by direct current (or DC electricity) and uses an electronically controlled commutations system.

Like all motors, a brushless motor has a stator and a rotor as its major parts. The rotor is made of permanent magnets, and the outer part – the stator – has several copper windings depending on the number of magnetic poles on the rotor. These windings are placed in slots which are axially cut along the inner periphery of the stator.

The motor is running when the rotor is spinning inside of the stator. Electronics make the rotor spin by inducing a series of magnetic fields in the copper windings that can push and pull the permanent magnets in a sequence that ensures a continuous rotation.

The clutch disengages when the torque exceeds a pre-set limit. This happens, if the torque from the motor gets too high when running the actuator; the spring plate cannot hold the load and the ball bearings will be pushed out of their notches.

The clutch disengages, as the plates turn without creating movement, which means that the clutch disengages.

When the torque is lowered, the ball bearings will fall into place, and the torque will transfer into a linear movement again.

And in that way it protects the actuator and application in case of overload.

The actuator must be initialised on a regular basis to ensure accurate position feedback. This is typically achieved by a physical endstop switch in both directions, but the accuracy can be reduced over time due to mechanical wear of the switches.

The I/O actuator, however, uses a new initialisation principle called ‘zero point’. With zero point, the position is initialised every time the piston passes a zone from 35-70 mm on the stroke without having to run the actuator to the physical endstops.

By substituting the electromechanical switches with a Hall-based system, the I/O actuator is better geared for operation in challenging industrial environments.

LINAK industrial actuators are always tested with the cable mounted before leaving the production. This ensures that the actuator connection is correct and working.

For an actuator to comply with the IP69K rating (Ingress Protection), there must always be an overmolding at the end of the cable.

To retain the high IP rating, it is important to take precautions and design the wire connection to the machinery in a way, where the cable end is kept inside a closed, protected area. This will prevent water spraying from entering the connector and further into the actuator.

On LINAK industrial actuators, the cabling and housing are designed, so the cable can be replaced without affecting the IP rating.

The current limiting algorithm describes the way the electric actuator responds to an obstruction. Or in other words, how it detects an obstruction and how fast it responds to it.

If the actuator’s current consumption rises above the set limit, the actuator regulates and tries to keep it below the set current limit by means of Pulse Width Modulation (PWM), which is used to regulate the motor speed. The actuator does this continually until the actuator stops moving (mechanically blocked) – determined by monitoring the Hall feedback signal. If there are no Hall pulses during a set time frame, the actuator stops.

Electric linear I/O™ actuators come with a transparent connector with integrated LED for fast diagnostics by simple visual inspection. This can be enabled as a software feature in the ‘Diagnostics’ option menu in Actuator Connect™.

The LED can show different colours depending on the actuator state and can be used to quickly determine whether the actuator is running as intended or shows a failure that needs to be looked at more closely.

When the actuator is fully operational, the LED will be green. If the colour of the LED changes (to either red or yellow), it indicates a system malfunction.

If the LED does not light up, try checking the power cable and power supply for improper connections or damage. In addition to creating a visual indication of the current status, it can also be used to see which actuator you are paired to via Bluetooth^® on your PC (blue light).

The Bluetooth^® word mark and logos are registered trademarks owned by Bluetooth SIG Inc. and any use of such marks and logos by LINAK^® is under license.

You can run up to 8 actuators simultaneously, thereby enabling smooth synchronised movement. Parallel is ideal if you want to distribute a heavy load across multiple actuators or to avoid mechanical stress caused by bending on, for example, a hood lift. It is a prerequisite that the actuators have the same characteristics - both in terms of mechanics and configuration across all features.

This type of actuator can be wirelessly connected to a PC via Bluetooth^®, or you can connect with a USB cable kit (sold separately). Whether you are going for the wireless or cabled connection, the first step is to apply either 24 V or 48 V power to the actuator (see the product label for further information).

Connect the signal cable to the actuator to ensure a stable Bluetooth connection. By default, the I/O actuator will be listed on the device list with its unique serial number (W/O#) and a Bluetooth symbol.

The USB cable kit includes two cables: a y-cable to be connected to both cable inputs of the actuator (power and signal), and a USB cable with an ethernet adapter that must be connected to the y-cable. If the same actuator is connected via the USB cable kit, it will also be shown with a USB symbol – note that in this case the name is linked to the USB cable and not the actuator itself.

Wait a few seconds for Actuator Connect to connect to the actuator and be ready for configuration.

For applications where downtime is not an option, LINAK offers error codes as a digital output for easy troubleshooting.

During a 10 second time frame, you can read out error codes on the digital output. The actuator will send a number of pulses to your controller (PLC) depending on the error type – following the patterns in the table shown in the below video or on this troubleshooting page.

Error codes take up one of the digital outputs, which means that you can still use the other output for position feedback or endstop signals.

Yes. All electric I/O actuators are prepared for parallel with the violet wire – which means that you can set up your actuator for parallel movement even if it was originally programmed as a single actuator. This way, you can easily stock several I/O full actuators and configure them for parallel movement later.

The ‘Parallel’ option is displayed on the left sidebar on the Actuator Connect™ screen. When selected, you can configure and change the number of linear actuators in the parallel system.

Yes! LINAK^® is aware that not every project requires the full range of I/O options.

Therefore, you might experience that some features are locked in Actuator Connect™, if the actuator is a Basic or Customised version.

All the features can still be explored, but configurations and changes cannot be applied.

When you want full access to the entire range of possibilities, simply request an unlock key from your local LINAK office. Provide them with the actuator W/O# number (found on product label or in Actuator Connect), and request a key*.

Once this key is received, it is easy to make the upgrade in Actuator Connect.

*Please note that there is a one-time fee for each actuator upgrade.

The Bluetooth^® Low Energy antenna is mounted on the PCB inside the actuator aluminium housing. The housing reduces the signal strength significantly, and it is therefore important to also insert the signal cable. The signal cable has a dedicated wire to boost the Bluetooth Low Energy signal, and if the cable is not inserted, the actuator will have problems establishing a connection. Make sure you also insert the signal cable to make the actuator appear on the device list in Actuator Connect.

LINAK^® offers start settings (ramp-up) and stop settings (ramp-down) of the electric actuator as an alternative to an instant stop. With ramp-up and ramp-down, the actuator slowly accelerates to full speed when starting movement or slowly decelerates from full speed when stopping. With this feature you avoid bouncing and achieve smooth operation.

You can choose to go with the LINAK default settings or your own ramp speed setting. This feature provides smoother movement and reduces strain on the application, significantly extending the actuator service life.

Generally, for LINAK^® industrial actuators there are three cable types available: separate power and signal cables, a single cable for both power and signal, and a Y-cable.

Having separate power and signal cables increases flexibility and makes it easier to integrate actuators in various machinery. For example, you can have a power supply in one end and a motor control in the other end. For actuators with lower current consumption, a single cable can handle both power and signal. In other cases, an actuator may have a Y-cable, which is connected to the two connectors in the actuator, and a single plug for both power and signal in the other end.

• The disc brake: The disc brake is normally stacked directly on the spindle, where the discs squeeze together around the spindle to stop the movement. Being placed in direct contact with the spindle exposes the brake to both high force and heat. This type of brake is a wear part that is designed and tested to match the actuator life. The location of the brake directly on the spindle should also be considered in relation to the actuator’s build-in dimensions.
  
  
• The single acting brake: The single acting brake contains an internal spring, which means that the brake works in one direction – either in push or pull. For an actuator with this type of brake it must be specified whether it needs to perform in push or in pull.
  
  
• The dual acting brake: The dual acting brake is a very strong brake. This type of brake is integrated in the industrial LINAK^® actuators, as their high-efficiency performance require a brake ensuring a high self-locking ability. Actuators with a dual acting brake can run in both directions without activating the brake as long as the movement originates from the electric motor. If the movement originates from the spindle, and in either direction, the brake will activate and keep the actuator in position.

Analogue signals are a common type of feedback signal for PLCs and other control systems in industrial applications. One of the most frequently used is a 0-10 V signal where this voltage range represents the physical stroke length of the actuator.

Keep in mind that this type of analogue feedback is susceptible to noise and voltage drops over long cable lengths, which in turn could lead to inaccurate position feedback. Another common analogue signal is current – often 4-20 mA – which is less susceptible to noise and of course also voltage drops.

For both current and voltage, the feedback range can be scaled specifically to your needs, which can make it easier to integrate into your controls.

Parallel works as a ‘critical’ system, which indicates that all actuators must be present in the system before it allows movement. The parallel system is controlled by a master which is the actuator with the highest serial number. The master commands the followers to move and receives status messages to ensure that the system is allowed to run only if everything is functioning properly. If it detects a malfunction or one of the following actuators struggles to keep up, the master will slow down so that the whole system follows the slowest in the system. For instance, if the load is not evenly distributed in the application.

The actuator offers several digital position output options which can be configured exactly to your requirements. To offer full flexibility, the yellow and green wires can be used for the following outputs:

Digital position feedback as either single Hall or dual Hall. Single Hall does not take direction into account, and this logic must be programmed in the PLC. Dual Hall has two channels – A and B. Both have their own dedicated wire which makes it possible to determine the direction in which the actuator is running.

As either a supplement to the analogue position feedback or a stand-alone feature, you can choose endstop signals that give a signal when the actuator is fully retracted or extended. The same signal will also be applied if virtual limits are set in either direction – indicating that the actuator has reached its new endstop.

It is also possible to receive digital signals from the actuator while running – something that can, for instance, be used to turn on an LED to indicate that something is moving in the application.

In some cases, it might be beneficial to know when the actuator reaches a predefined endstop zone. This feature makes it possible to define a zone where the actuator can send a digital signal when it is inside that zone or at a current limit in that zone. In this way, you are no longer forced to design your application so that the physical endstop must be reached before receiving a PLC (Programmable Logic Controller) signal.

For most of these digital signals, you can choose between an active high or active low signal for easier integration in the application.

If you are looking for a way to power LED or a hand control, you can also choose a constantly high signal. The actuator will supply up to 100 mA to low-power devices directly.

A plug and play solution is an easy-to-use option for quick and hassle-free actuator integration, which you can achieve by choosing a customised cable along with your industrial linear actuator. In most cases, all you need is an actuator with the preferred cable option and two bolts (one for the back fixture and one for the piston rod eye) – and your application will be up and running in no time.

In some cases, there may be external factors that need to be in place before the actuator can run. You can use a third digital input as an external precondition to allow movement.

A signal from for instance an external sensor can be connected directly to the actuator to verify whether these conditions are established before it runs.

B10 Life is a metric used for estimating time to failure. The metric specifies a statistic value for the service life.

Put in other words, for actuators the B10 Life will show the point in time when 10% of the products are in the risk of failing. At the same time, the B10 value also shows, when there is a 90% probability of the actuator to meet the expected B10 Life, when used in accordance with product specifications. Also, the actuators must be configured identically.

There is still a 10% risk that a component can fail before reaching its B10 Life, and therefore, the B10 Life should not be considered a guarantee.

You can download a complete report as a PDF directly from Actuator Connect with general information about the actuator – type, position, last known status etc. – and comprehensive usage data that summarises all stored historical data – incl. error logs – over the entire lifespan of the actuator. You can use this data to analyse the performance of one electric actuator or compare several actuators.

The PDF also contains the actual wiring diagram and software configuration which can be used if you want to order new actuators or simply as a starting point for a technical discussion with your local LINAK contact.

Self-locking ability is one of the key selling points for electric actuators, as it prevents the actuator from back driving. In LINAK® actuators, self-locking ability is defined by the actuator being able to run with a full load and duty cycle; and when stopped, it will move a maximum of one spindle revolution before the actuator is locked in full stop.

There are several factors that influences the self-locking ability of an actuator. Spindle type and spindle nut, gear box and brake design, and DC motor control are just some of the main design considerations that affects the actuator’s ability to withstand loads when stopped.

Controlling an actuator is based on an integrated controller or H-bridge, that changes the polarity of the voltage to the DC motor. Here you can benefit from low-current switching, since a high digital signal of only a few mA will cause the actuator to run.

The integrated H-bridge opens a variety of control options from the PCB such as speed and ramping.

This is the H-bridge, and in the middle is the power connection to the motor's positive and negative terminals. Four switches, in this case transistors, are connected to the power supply at the top and in the bottom of the H-bridge. These transistors replace the functionality of mechanical relays. The H-bridge controls the in and out movements of an actuator in a fairly simple way. When power is on two of the transistors must be activated to make the current flow diagonally – past the motor connection – making the motor run in one direction. To change directions, the current flow must be changed by deactivating the previously activated two transistors and activating the other two.

Information about the actuator position can be output as either an analogue or digital signal. Both options are offered to ensure compatibility with various PLCs and preferences.

If you compare the two signal types, there are various pros and cons to consider. As an example, the analogue signal is more prone to noise compared to a digital signal – but under the right conditions, it can also be highly accurate.

The digital signal can be used for more than just the piston position, as it can also be used for endstop signals, constant signal during operation and many other features.

The efficiency of a brushless motor is the relationship between power input and power output measured in watts.

The brushless motor is a highly efficient motor type with potential low energy loss from input to output.

The Hall effect sensors always know the position of the rotor, and therefore they can be used to regulate speed.

In the context of actuators, this means that you can obtain a constant speed even when increasing the load on the motor.

The clutch has two purposes:

1. It protects the industrial machinery and the actuator.
2. The actuator can be used without control electronics.

The clutch makes industrial electric linear actuators from LINAK^® versatile and easy to implement in different machinery. In the actuator, the clutch can handle a push/pull of approximately 1.5 to 2.0 times its rated load at nominal speed before the clutch disengages.

The clutch disengages the rotational movement from the motor to the spindle and the gear. It is important to emphasise, that this is not a safety feature for when a heavy load is applied, while the actuator is powered off. The clutch disengagement mechanism is only applied, when the motor is rotating (powered on).

BLDC motors have a longer service life. Unlike a motor with brushes, the brushless motor does not have constant physical contact between the brushes and the commutator. As there is no friction wearing down the brushes, the brushless motor has a significantly longer service life than a motor with brushes.

The purpose of using a brake in an actuator is to ensure the actuator stays in its set position, when the power is turned off. There are three ways of ensuring a brake functionality in an actuator. Either the actuator is self-locking, which means that it does not need a brake to keep its position when power is off. Or it is necessary to integrate a mechanical or an electrical brake in the actuator. LINAK® actuators are either self-locking or feature different versions of mechanical brakes.

LINAK distinguishes between internal and external errors. If the actuator has detected an internal error and has stopped - try to repower the system or initialise the actuator. If the internal error cannot be solved, please contact your local LINAK office for further assistance. For external errors, you can find different remedies to solve a potential issue here.

If you open the Actuator Connect™ configurator and the monitor option, ‘Real-time Charts’ is the first tab that appears. There are five things you can monitor in real-time on the graph:

• Position in mm
• Temperature in °C
• Voltage
• Current
• Speed in mm/s

By conducting actuator test runs, it is possible to get an indication of how well the electric actuator can handle the real-world conditions it has been designed for.

For example: Do you have enough power? Or is the power consumption constantly maxed out? Or even noticing a current spike at a particular movement that you did not expect? The real-time data can help you review the mechanical design of the application and drive continuous improvements.

A number of PCB features help protect the machinery running with a LINAK^® industrial actuator. A pulse signal ensures the electronics are working properly, and the soft start/stop feature reduces the mechanical stress on the machinery and the actuator. This function is controlled by ramping up a PWM Motor Control signal and works in the same way as gradually releasing the clutch in a car.

Measuring current and temperature protects the PCB’s electronics and helps ensure reliable actuator performance. A microcontroller measures the current flowing through the H-bridge, and it shuts off the power if the current exceeds a predefined level. Sensors monitor both the H-bridge temperature and the ambient temperature inside the actuator housing and stop operation before the heat reaches damaging levels.

For EMC protection, the actuator PCB has a load dump functionality and a polarity protection. The load dump level for LINAK industrial actuators is predefined to 45 volts. If a voltage peak passes this level, the PCB will be shut off. Polarity protection ensures that the actuator is not damaged in case the power supply is wrongly connected.

It is possible to add a safety nut in an actuator, for machinery where safety is a high priority. If, for example, the thread inside the nut on the spindle wears off due to wear and tear, the nut will immediately carry the full load and the actuator travels inwards. In this case, the actuator can no longer run outwards, and it must be replaced.

Machinery operating in humid, wet or dusty environments must perform reliably in spite of environmental challenges. Ingress protection tests are therefore a crucial part of the testing programme for LINAK^® industrial actuators. This is how we make sure our electric actuators are robust and operate reliably, even when exposed to high-pressure cleaning and dusty environments.

Watch how we conduct Ingress Protection testing.

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Our testing in environments with fluctuating temperatures and humidity ensures reliable performance of the actuators under harsh conditions. Also, special test patterns, such as dunk tests, are used to cover very demanding applications in the test plan.

LINAK^® industrial actuators are tested for electromagnetic compatibility (EMC) in accordance with a wide range of industrial standards. This is done to ensure actuator immunity to electromagnetic interference, and to certify that radiated emissions from the actuator do not affect the industrial machinery.

It is important, that the actuators can perform reliably throughout their service life. All LINAK^® electric actuators, regardless of size and model, are subjected to durability tests.

Industrial applications are very different in terms of functionality, and LINAK actuators must support the required variations in movement patterns and performances in these applications, whether it is steady lifting of heavy loads or frequent operation. And the actuators must be able to do this throughout their maintenance-free service life. This is why LINAK industrial actuators are thoroughly tested for mechanical durability.

Watch how we test for mechanical durability.

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Actuators must perform reliably in dynamic and challenging environments. In our test centre, we subject the actuators to both vibrations, shock/bump and drop tests.

To deliver solid performance for many years, LINAK^® industrial actuators are designed to absorb vibrations and tested rigorously to make sure they can withstand the stress of the rough terrain.

Watch how we test for vibration and shock resistance.

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The Bluetooth^® Low Energy antenna is mounted on the PCB inside the aluminum housing of the actuator. The housing reduces the signal strength significantly and it is therefore important to also plug in the signal cable. The signal cable has a dedicated wire to boost the Bluetooth^® signal and, if this is not plugged in, you will have trouble connecting to the actuator in Actuator Connect.

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How to assemble a single actuator system

The system consists of:
Single actuator(s)
1 x Switch Mode Power Supply
1 x CBH Advanced
1 x Bluetooth^® hand control
1 x Bluetooth^® Adapter

1. Connect single actuators in channels 1-2 to control adjustment of, for example, backrest and leg support. (With the 3-ch CBH Advanced, the 3rd channel can also be used for an actuator)
2. Plug the DC cable into the CBH Advanced
3. Plug the Bluetooth^® Adapter into the CBH Advanced
4. Connect to a power outlet
5. Pair the hand control (press the two top buttons simultaneously)
6. The system is now ready for setup

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How to assemble a single actuator system with massage motors

The system consists of:
Single actuator(s)
Massage motor(s)
1 x Switch Mode Power Supply
1 x CBH Advanced
1 x Bluetooth^® hand control
1 x Bluetooth^® Adapter

1. Connect single actuators in channels 1-2 for, e.g., back and leg adjustment
2. Connect massage motors in channels 3A and 3B
3. Plug the 2-pole DC cable into the CBH Advanced
4. Connect the other end of the cable to the SMPS and connect the cable
5. Connect to a power outlet
6. Plug the Bluetooth^® Adapter into the CBH Advanced
7. Pair the hand control
8. The system is now paired and ready for use

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1. Download and open the app and follow the onboarding flow.
2. Choose ”Double bed” as your bed type.
3. Unplug the power of one bed for 60 seconds and plug it in again.
4. A light under the bed flashes to indicate pairing mode – a long flash means successful pairing.
5. Unplug the power of the other bed for 60 seconds and plug it in again.
6. Name both beds.
7. Choose number of motors. If the beds can adjust leg + back, you have two motors. If they can perform additional adjustments, you have 3 or 4 motors.
8. To adjust the bed, tab to the part you want to move and use the arrows. Scroll sideways at the bed names to choose which bed to operate.

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1. Download and open the app and follow the onboarding flow.
2. Choose ”Single bed” as your bed type.
3. Unplug the power of the bed for 60 seconds and plug it in again.
4. A light under the bed flashes to indicate pairing mode – a long flash means successful pairing.
5. Name your bed.
6. Choose number of motors. If the bed can adjust leg + back, you have two motors. If it can perform additional adjustments, you have 3 or 4 motors.
7. To adjust the bed, tab to the part you want to move and use the arrows.

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Be aware that this requires a wired connection between the two TD4 or TD5 Advanced motors.

1. Download and open the app and follow the onboarding flow.
2. Choose ”Double bed - synchronized” as your bed type.
3. Unplug the power of the bed for 60 seconds and plug it in again.
4. A light under the bed flashes to indicate pairing mode – a long flash means successful pairing.
5. Name your bed.
6. Choose number of motors. If the bed can adjust leg + back, you have two motors. If it can perform additional adjustments, you have 3 or 4 motors.
7. To adjust the bed, tab to the part you want to move and use the arrows.

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At LINAK^® we currently supply actuators with two different CAN bus software versions - v1.x or v3.x.

Determine the actuator version with the LINAK BusLink software
Connect the actuator to the BusLink software to verify the correct software version. When the actuator is connected you can find the ‘Connection Information’ tab. In the example below, the LA36 CAN bus actuator has version 3.0.

For further information, please see the BusLink service interface chapter in the CAN bus user manual.

 

What is the difference between version 1.x and version 3.x?
On CAN bus v 3.0 we have introduced several new functionalities - such as hardware addressing, dynamic speed adjustment, soft start/stop commands and increased compatibility (125 kbps, 250 kbps, 500 kbps and Autobaud).
Please note that the soft start/stop must now be defined in the CAN bus command (in version 3.x). If left at 0 it will result in no ramping. If set to 251 it will use the actuator’s predefined factory settings. Any number in between will set the ramping time.

For further information, please see the Communication chapter in the CAN bus user manual.

BusLink quick guide
Find a guide on how to use the BusLink program for your actuator by clicking the BusLink icon.

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How to connect a system with the TD4 Advanced and the CBH Advanced

The system consists of:
1 x TD4 Advanced
1 x Switch Mode Power Supply
1 x CBH Advanced
1 x 2-poled DC cable
1 x Serial cable
1 x Bluetooth^® hand control
Single actuator(s)
2 x screws

1. Place the CBH Advanced onto the TD4 Advanced & use two screws to fasten it
2. Plug the serial cable into the TD4 Advanced and channel A1 on the CBH Advanced
3. Plug a 2-pole DC cable into the TD4 Advanced and channel DC on the CBH Advanced
4. Connect the SMPS to the TD4 Advanced
5. Connect single actuators in channels 1 and 2 for adjustment of, for example, the neck rest and foot rest.
6. If needed, connect massage motors in channels 3A and 3B
7. Connect to a power outlet
8. Pair the hand control (press the two top buttons simultaneously)
9. The system is now ready for setup

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Store your current position
Press a star button. Select “save.” The position is now saved and displayed in the button.

Store up to 4 favorite positions
Drive your desk to a favorite height (use the arrows in the app or your Desk Panel). Save the position.

Drive to a favorite position
Press and hold the memory button until you reach the saved position.

Automatic drive and favorite positions
(If your Desk Panel features automatic drive and the function is enabled)
Just press a favorite position button once. The desk drives automatically to the position.

Change favorite positions
Go to the settings page. Choose “change favorite positions.” Click on the position you want to change. Set your height and click “Save position.”

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No. There is only one Bluetooth^® connection on the DPG. Thus, only one device can be connected at a time to the DPG. The device (either your mobile or your computer) that first connects with the DPG will be the device on which you can use the app.

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Change your favorite positions
Overwrite existing favorite positions or save new positions.

Ways to be reminded
Choose how to be reminded to stand up. Click on the buttons to activate/deactivate the popup notifications (for your mobile device) or light reminder function (for your Desk Panel).

Set desk name
To find and connect to your desk easily, give your desk a name. Type in a name for your desk. Return to the menu to save it.

Set desk height
If your desk height is displayed incorrectly, you can correct it manually. You can also switch between cm and inches.

I only use this desk
To use your personal settings with multiple desks, select “no.” Other desks will then automatically use your personal settings from the app.

Automatic Drive
Desk Panels that feature Automatic Drive (“full versions” only) can use Automatic Drive to switch between favorite positions.

Set language
Select your favorite language for the app.

Benefits of changing posture
Read more about why you should alternate between sitting and standing.

Terms & Conditions
Read the Terms & Conditions for the app.

About
Learn more about the app and its functionalities. Click on the links to learn more about the product, why to use your desk and to receive support.

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If your Desk Panel features Automatic Drive (“full versions” only), you can activate it in the app.

Activate the Automatic Drive function
Go to “Settings.” Choose “Automatic Drive.”

Press the switches for upward and downward directions and accept the Terms of Use.

Use the Automatic Drive function
Go to the “control” section and select a favorite position. 
If 2 or more favorite positions have been saved, the desk can now drive automatically between these positions.

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Plug the Bluetooth ® (BLE2LIN) adapter into the control box. 

The adapter starts to flash with a blue color.

Open your downloaded Desk Control™ app and connect to the desk. 

To find your desk, look for the list of “Desks nearby” in the app.

Follow the onboarding flow in the app.

Full onboarding flow

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Turn on Bluetooth^® on your mobile device. Open the Desk Control™ App. Choose your desk and click “connect.”

To adjust the desk manually, press and hold the arrow button either up or down.

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Set your goals for standing
Go to the “You” section and choose your goal. Choose between 3 predefined sit/stand interval settings or define your own.

Set individual goals
Click on the settings button in the “your goal” section. Use the arrows to adjust the standing and sitting time intervals. To save your settings, click “done” and then “save.”

Choose how to receive reminder notifications
Get reminders via pop-up notification on your mobile device and/or via the light on your Desk Panel.

Go to the “Settings” section. Choose “Ways to be reminded.” Click on the buttons to activate/deactivate notifications.
To see an example, click on “Try it out.”

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The Desk Control App for Windows is only available for Windows 10 in the Microsoft Store. If you have an older Windows version, you cannot download the Desk Control App.

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Your Bluetooth^® driver may be outdated. Ensure that the newest Bluetooth driver is installed on your computer.

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The difference is where your personal settings are stored and whether you are automatically reconnected to the desk.

If you connect as “Owner”, your reminder and favorite settings are stored in the DPG on the desk and your app will automatically connect to this desk when you arrive at it and track the statistical sit/stand data throughout the day.

If you connect as “Guest”, your reminder and favorite settings are stored in the app on your smart device/computer and when you connect to a desk, these settings will reflect in the DPG. You need to pair the app with the desk every morning and the rest of the day the app will automatically connect to this desk and send standing notifications and keep track of sit/stand data.

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The data can only be accessed in your device. LINAK does not access or use any data entered in the app (such as favorite positions, height, weight, and gender) or collected by the app (statistics).

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The user owns all data entered in/collected by the app. Delete the app to delete all data. Go to settings on your device to delete the app. If you re-install the app, you need to pair the app and the desk again to be able to control the desk via the app.

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You can use the app if your desk has a Bluetooth^® connection. The Bluetooth connection happens via a DPG desk panel with reminder (all app versions) or a BLE2LIN adapter (iOS, Android, and Windows 10). If you have a DPG without Bluetooth, you cannot use the app.

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The app detects if the smart device/computer is close enough to the desk to be connected to it. The app will collect data if the connection between the smart device/computer and the desk is established, even if you are not at your desk.

As long as your computer is within reach of the DPG Bluetooth^® connection and you are logged into your computer, your standing time is counted. When your computer is in standby mode, or you have locked the screen, standing time is not counted.

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The app detects if the smart device/computer is close enough to the desk to be connected to it. The app will only send notifications if the connection between the app and the desk is established.

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Desk Frame 1: How to assemble an office desk
Learn how easy it is to assemble an office desk frame with a LINAK^® Desk Frame 1 solution. 

It is a set of three pre-packed boxes that contain everything you need to assemble an office desk frame: Kick & Click™ (top frame), DL SetPack (consisting of two lifting columns, a desk panel, a control box and cables) and DL Feet.

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Watch and learn how to easily clean your LINAK desk panel/switch in this short instruction video: How to clean it; which cleaning agents to use; and, last but not least, what you need to pay attention to.

Clean your desk panel with a soft damp cloth. Universal cleaning detergents may be used.

For disinfection of the desk panel, use a 70 percent isopropyl alcohol either as a wipe or add a small amount to a soft cloth.

Warnings
The desk panel is not a sealed unit and there are electronics inside it. If liquids or moisture enter an opening, the PCB may be damaged, and the desk panel ruined.

Therefore:

• Avoid moisture penetrating any openings as this may damage the PCB inside the desk panel
• Avoid spraying the cleaning agent or disinfectant directly on the desk panel as moisture may penetrate openings and damage the PCB inside the desk panel
• Cleaning agents and disinfectants must not be highly alkaline or acidic (pH value must be 6 to 8), and they must not contain bleach or chlorine
• Do not use hand sanitizer gel as a cleaning agent

Alkaline and acidic cleaning agents may, over time, decompose the housing. Hand sanitizer gel may deposit on the desk panel buttons. Over time, the buttons may be stuck, or they may not work properly.

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The desk cannot drive up if it has not been initialized

If the display shows error code E01, the desk must be initialized.

How to initialize:

1. Press down key and drive to the lowest position. Hold the key until the desk stops completely.
2. Reactivate the down key and hold the key until the desk stops completely. Now the desk can drive up.

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To initialize the desk, drive downwards, press and hold the tilt until movement has been performed.

To adjust the desk, tilt the panel down for driving downwards and up for driving upwards.

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Press the Bluetooth^® button for 2 seconds. 
The LED starts to flash with a blue color.

Open your downloaded app and connect to the desk.
Look for your desk in the list of “Desks nearby.”

The LED will flash in a blue color when connected.

Follow the connection instructions in the app.

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There are three reset possibilities:

1. Reset of memory positions
   Press and hold the “star” button for 8 seconds until the LED flashes red
2. Reset of the LED light reminder
   Press and hold the “bell” button for 8 seconds until the LED flashes red
3. Factory reset
   Press and hold the “bell” button and the “star” button for 8 seconds until the LED flashes red.

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To store a memory position drive to the required position.
Press the “star” button for 2 seconds.
White light flashes and becomes static when the position is saved.

Tilt and hold to drive to a memory position

Automatic drive between two memory positions
(If your desk panel features automatic drive)

Enable automatic drive in the Desk Control™ App.
Tap the desk panel twice in the direction you want to drive.
The desk drives automatically to your stored position.

To reset all memory positions, press and hold the “star” button for 8 seconds until the light flashes red.

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The light reminds you when it is time to stand up. 

Green = OK
Orange = It is time to stand up

Set individual goals or deactivate reminder
The default setting is a reminder after 55 minutes sitting.

Set your goal
Interval 1: Reminder after 55 minutes sitting
Interval 2: Reminder after 50 minutes sitting
Interval 3: Reminder after 45 minutes sitting
Interval 4: Disable reminder

Change the interval by pressing the “bell” button.

How to reset the LED
Press and hold the “bell” button for 8 seconds until the LED flashes red.

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Change the height in the display to the correct height of the desk by following the procedure shown in the video or described below.

How to set the height of your desk (DP1C and DPT)

Measure the actual height of your desk – from floor to the upper edge of the tabletop.

1. Press ‘S’ and keep pushing the button until an ‘S’ appears in the display
2. While pushing ‘S’ use the up and down key to change the figure to the actual height

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Correct the height in the display to the actual height of the desk by following the procedure shown in the video or in the text below.

How to set the height of your desk

Measure the actual height of your desk – from floor to the upper edge of the tabletop.

Set the height:

1. Press the up and down keys at the same time.
2. A figure appears in the display.
3. Use the up or down key to change the figure to the actual height.

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To initialize the desk, drive downwards, press and hold the tilt until movement has been performed.

To adjust the desk, tilt the panel down for driving downwards and up for driving upwards.

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Press the Bluetooth^® button for 2 seconds. The light strip will start to blink with a blue color. The display shows the ID of the desk.

Open your downloaded app and connect to the desk. Look for the correct ID in the list of “Desks nearby.” 

Follow the connection instructions in the app.

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The DPG with display has 4 memory positions in total. 

Drive to the required desk height and then toggle the “star”-button until the display shows either “star 3” or “star 4.” Release button. 

To store a position press the “star”-button for 2 seconds. White light flashes and becomes static when the position is saved.

To reset all memory positions, press and hold the “start”-button for 8 seconds, until the light flashes red.

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To store a memory position drive to the required position.
Press the “Star” button for 2 seconds. 
White light flashes and becomes static when position is saved.

Tilt and hold, to drive to a memory position.

If the DPG features automatic drive, tap twice on the DPG in the direction you want to drive. The DPG stops at the first stored position in the chosen direction. 

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The light strip reminds you when it is time to stand up. 
Green = ok 
Orange = it is time to stand up

Default setting is 55 minutes sitting. 
Press the “bell”-button to see the interval.
 
How to change interval or choose “OFF.” 

Change your interval by toggling between the 4 settings.

Interval 1: Reminder after 55 minutes sitting

Interval 2: Reminder after 50 minutes sitting

Interval 3: Reminder after 45 minutes sitting

Interval 4: OFF disable the function

How to reset the light strip reminder.

To reset the light strip reminder press and hold the “bell”-button for 8 seconds until the light flashes red. 

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There are three reset possibilities:

• Reset of memory positions
• Reset of light strip reminder
• Factory reset

To reset all memory positions, press and hold the “star” button for 8 seconds until the light flashes red.

To reset the light strip reminder, press and hold the “bell”-button for 8 seconds until the light flashes red.

Factory settings: 
To return to factory settings press and hold the “bell”- button and the “star”-button for 8 seconds until the light flashes red.

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Set correct desk height: 
If the height shown in the display is not the actual height of the desk, it can be corrected.

Measure the height of the desk from floor to tabletop. Press the “bell” button and the Bluetooth^®  button for 5 seconds. When the display starts to blink, tilt the panel upwards if the number is too low or downwards if the number is too high.  

Change between cm and inches:
Change between cm and inches by pressing the “star” button and the Bluetooth^® button for 5 seconds. When the display starts to blink, tilt the panel up or down and the unit changes.

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Find the correct app for your adjustable bed
The Bed Control App is available in both the App Store and the Google Play store. You will find the correct app for a LINAK powered bed by choosing the one called “Bed Control” with the following icon.

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How to save shortcuts in the HC40 Advanced

1. Enter the 'MY BED' menu
2. Scroll to the 'SHORTCUT' bar and press 'SELECT'
3. Choose one of the three shortcuts and press 'SELECT'
4. Choose the feature you want to program to the selected shortcut and press 'SELECT'.
5. The shortcut is now programmed and is accessible from the main screen.

For more information about the HC40 family, please visit: www.linak.com/HC40

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Learn how to factory reset the HC40 Advanced for comfort beds.

1. Enter the 'MY BED' menu
2. Scroll to 'ABOUT' and press 'SELECT'
3. Press 'RESET'
4. Confirm the action by pressing 'YES'
5. The HC40 now restarts and the settings are back to the factory settings

For more information about the HC40 family, please visit: www.linak.com/HC40

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How to get started with the HC40 TWIST™ Advanced & HC40 FRAME™ Advanced

Set the time:

1. Use the 'UP' and 'DOWN' buttons to adjust hours.
2. Loop to minutes using 'LEFT' and 'RIGHT' arrows and set them with 'UP' and 'DOWN'.
3. Press 'SAVE'.

Set the day:

1. Use 'LEFT' and 'RIGHT' arrows to loop between the days.
2. Press 'SAVE'.

The main screen is now reached. If arrows are shown in the display, you are good to go.

If not, set the bed in pairing mode by applying power to the system and press the two top buttons at the same time.

For more information about the HC40 family, please visit: www.linak.com/HC40.

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How to save favorite positions in the HC40 TWIST™ Advanced and HC40 FRAME™ Advanced.

1. Drive the bed to desired position.
2. Loop to the 'SAVE FAVORITE' screen and press 'SAVE'.
3. Choose one of the positions and press 'SELECT'.
4. The current position is now saved and will occur in the main menu loop.

For more information about the HC40 family, please visit: www.linak.com/HC40.

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How to use and navigate the HC40 Advanced Hand Control.

The HC40 is designed with a five-way key: Four arrows and a 'SELECT' button. Use these to loop and scroll around the menu and confirms choices with the 'SELECT' button.

The dots on the side of the display indicate the options to the sides.

The top row of buttons refers to the text in the display.

The bed adjustment is done using the 'UP' and 'DOWN' arrows on the screen with the reference.

Use the 'RIGHT' and 'LEFT' arrows to loop to further options: 'FAVORITE POSITIONS', 'MASSAGE' and the 'MY BED' menu.

For more information about the HC40 family, please visit: www.linak.com/HC40

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Attention!
The massage function and menu are only accessible for systems including massage.

Learn how to control the massage function on the HC40 TWIST™ Advanced hand control for adjustable comfort beds.

Massage menus are available from the front screen. Simply use the arrow buttons to loop right or left in the menu to find the massage screens. The two screens are called “Massage back” and “Massage leg.”

From the massage screen it is possible to:

Set a timer

1. Press the left button on the top row to set a timer for the duration of the massage.
2. Use “up” and “down” keys to adjust the minutes
3. Press the right button on the top row to save the choice and start the massage

Change massage mode

1. Press the middle button on the top row to change massage mode
2. A green circle appears, and the massage mode is now changed
3. Repeat to toggle/change between more available modes.

Turn on/off the massage

1. Press the right button on the top row to turn the massage on or off.

Adjust intensity

1. Use the “up” key to increase the massage intensity.
2. Use the “down” key to decrease the massage intensity.

For more information about the HC40 family, please visit: www.linak.com/HC40

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Learn how to enable/disable the child lock on the HC40 TWIST™ Advanced.

Pick up the hand control and activate the screen by pressing any button.

Enabling the child lock

1. In the “My bed” menu, highlight the “Child lock.”
2. Press the “Select” button.
3. Press select to enable the child lock
4.  A notification will inform you of what you are about to do.
5. Confirm your choice. The icon changes to green and “On.”

The fact that the child lock is enabled is illustrated by a “lock” icon at the top of the screen saver.

Unlocking the hand control

1. When the hand control is locked any press of a button from the locked screen saver will initiate a guide explaining this procedure.
2. Press and hold  the “Left” and “Right” buttons at the same time for 3 seconds.
3. The hand control is now unlocked and will be locked again after a period of inactivity.

To disable the child lock please repeat the process above called "enabling child lock."

For more information about the HC40 family, please visit: www.linak.com/HC40

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Learn how to input your name and receive notifications on the HC40 TWIST™ Advanced hand control for comfort beds.

Pick up the hand control and activate the screen by pressing any button.

1. Go to the "My bed" menu.
2. Press the “Select” on the "Me" bar.
3. Press the third button on the top row to enter a name
4. Use the “Left” and “Right” arrows to scroll through the alphabet. 
5. Press the first button on the top row to delete a character.
6. Press the second button on the top row to insert a space between characters.
7. Press the third button on the top row to save the name.
8. The result: The HC40 sends notifications to the user in specific intervals to provide a personal experience. 

For more information about the HC40 family, please visit: www.linak.com/HC40

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Attention!
The alarm menu is only accessible for systems including massage. When the alarm goes off, the massage motors start, providing a soundless wake-up.

Learn how to set and stop silent alarm on the HC40 TWIST™ Advanced hand control for adjustable comfort beds.

Set the alarm:
Pick up the hand control and activate the screen by pressing any button.

1. Go to the 'My bed' menu
2. Use the up and down buttons to locate the ‘Alarms’ menu
3. The alarm menu contains three alarms as default
4. Choose the alarm you want to enable. Press the “select” button to enable the alarm. The icon switches to green and an alarm icon appears
5. Press the middle button on the top row to edit the exact timing of when the alarm should go off
6. Adjust the time by using the up and down buttons on the keypad
7. Press the third button on the top row to save the time
8. Your alarm is set

Stop the alarm
When the alarm goes off, the massage motors start in the latest setting and the screen will show a bell.

1. To stop the alarm: Press the third button on the top row.

For more information about the HC40 family, please visit: www.linak.com/HC40

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Learn how to turn the flashlight on/off on the back of the HC40 TWIST™ Advanced.

1. Pick up the hand control and activate the screen by pressing any button.
2. The flashlight can be turned on directly from any active screen.
3. Simply shake the hand control sideways twice to turn on the flashlight.
4. To turn it off, simply shake the hand control twice once again.

For more information about the HC40 family, please visit: www.linak.com/HC40

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Learn how to change batteries in the HC40 TWIST™ Hand Control for comfort beds with LINAK systems.

1. Open the battery lid by sliding the battery lid downwards.
2. You will feel it loosen and the lid can easily be removed.
3. You can now exchange the two AAA batteries.
4. Reattach by placing the battery lid a little below the screen and slide it upwards to fasten it.

For more information about the HC40 family, please visit: www.linak.com/HC40

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Our lifting columns offer designers a lot of design freedom by offering a wide variety of profiles and colors, among other things.

Read more about customized options.

LINAK offers a wide range of control options to suit different needs and applications:

• Classic control DP, DP1 CS
  The classic controls are mounted underneath the tabletop and offer a slim look with the classic up/down buttons as well as the option of saving a few memory positions.
• Simple control: DPA, DPB, DPG, DPH
  The simple controls are very discreet desk panels, mounted under the tabletop, where you can adjust the table up and down.
• Touch control: DPT
  The touch controls are integrated in the table top to make the touch buttons easily accessible. It also comes with a memory function and uses a display to show both actual height, diagnostics, and error codes.
• Intuitive control with Bluetooth: DPG1M, DPG1C, DPG1B
  The intuitive controls with Bluetooth are mounted under the table top and are activated by tilting the panel. The integrated reminder function and lights help users get the most out of their sit-stand table.
• Desk Control App
  The Desk Control App is an app which communicates with the desk panel to help users get as much as possible out of their sit-stand desk. With motivational notifications and statistics

Dual actuators from LINAK only use wireless control options. The integrated Bluetooth^® communication allows you to pair the electric actuator system with either one of our wireless hand controls, the LINAK Bed Control App, or your own customized app.

Beds can be designed in many ways, but for adjustable beds the choice is typically between single actuator systems, dual actuator systems, or a combination of both. However, the bed frames for each of these systems are very different.

For electric dual actuator systems the bed frame simply needs to have the standard spacing between the crossbars responsible for adjusting the back or leg part of a bed. This crossbar must also have twist brackets mounted so the dual actuators have something to push to perform movement.

In this video you can see how mounting happens.

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LINAK lifting columns are electric columns that offer height adjustment for various kinds of furniture and other applications. In order to adjust the columns, you will always need a full system, which consists of lifting columns, the CBD6S control box, and a control panel/desk panel to control the movement.

Furthermore, you need to connect the system to power.

A dual linear actuator is mounted on crossbars with twist brackets on. This means that the rotational movement created by a dual actuator pushes the twist bracket in a way that rotates the cross bar, which in turn then moves some part of an adjustable bed.

Learn how to pair wireless hand controls to the LINAK^® single actuator LA18 IC system for comfort beds using Bluetooth^® technology.

1. Connect the system to a power outlet
2. Pairing mode has started when the Under Bed Light starts flashing. It will run for 3 minutes
3. Press the top two buttons to pair the hand control 
4. A long flash means successful pairing
5. The system is paired and ready for use
6. The system will continue to be in pairing mode until the previously mentioned 3 minutes elapse. Then the light will turn green continuously to show that the system is no longer in pairing mode

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Favorite positions for sitting and/or standing can be stored. Follow the procedure shown in the video or the instructions below.

How to store a position

1. Drive to the height you wish to store
2. Press ‘S’ and then the memory button

Your position has now been stored.

To recall your memory position, press the memory button until you reach the stored position.

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How to store memory on a hand control

1. Adjust the bed to a preferred position
2. Press S and then choose the number on which you want to store the position
3. Now the position is stored
4. When you want to return to this position later, simply press and hold the button on which you stored the position

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By using the cable relief, you avoid the cable plug being pulled out of the TD1 280 SMPS, which may lead to a malfunction or damage the plug and PCB.

How to use the cable relief – see the video.

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By using the cable relief, you avoid the cable plug being pulled out of the TD1, which may lead to a malfunction or damage the plug.

How to use the cable relief – see the video.

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By using the cable relief, you avoid the power cable plug being pulled out of the TD3 and a malfunction occurring.

How to use the cable relief – see the video.

Check: Is there any visible damage to the cables?
Try/Solution: Damaged parts must be exchanged. Contact the company that sold you the bed.

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We are always happy to talk to you about new projects. The best way to start is to submit a contact form.

How to add, remove or replace an actuator in your IC™ parallel actuator system.

To add or remove an actuator:

1. Connect all actuators to BusLink to configure the number of actuators in your parallel system
2. Before running the system, let the system initialize itself

To replace an actuator:

1. Power the system off and replace the actuator
2. Power the system on and the new actuator will automatically catch up to the position of the remaining actuators

For more information about initializing your parallel IC system, please visit How to initialize your IC™ parallel actuator system.

This FAQ is relevant for the first generation of our IC Integrated Controller™: Basic, Advanced, and Parallel

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How to initialize your IC™ parallel actuator system.

Initialize the system in two ways:

1. Let the system initialize itself via Recovery mode, where the actuators automatically run in steps of 2000ms on and off for a full stroke length
2. Initialize the system manually by using the BusLink software. Only the actuator in ‘position lost’ needs to be initialized by running the actuator to its mechanical endstop in one direction

For information about troubleshooting on your parallel IC system, please visit How to troubleshoot on your IC™ parallel actuator system.

This FAQ is relevant for the first generation of our IC Integrated Controller™: Basic, Advanced, and Parallel

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How to troubleshoot on your IC™ parallel actuator system.

If an actuator has lost its position, the parallel system will enter Recovery mode and initialize itself. If the system is unable to run in recovery mode, please continue this troubleshooting process:

1. Check cabling, power supply and communication signals between actuators
2. Connect each actuator to the BusLink software and look at the error codes to identify which actuator has caused the system to stop

If it is an overcurrent error code, restart the system by running it in the opposite direction.

If these error codes are registered, actuator replacement is necessary: H-bridge fault, switch mode power supply fault, or hall sensor failure.

Still having trouble? Please contact your local LINAK^® office.

For information about initializing your parallel IC system, please visit How to initialize your IC™ parallel actuator system.

This FAQ is relevant for the first generation of our IC Integrated Controller™: Basic, Advanced, and Parallel

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How to initialize a single actuator system

1. Connect to a power outlet
2. Actuators must be in the inner position
3. Push the "down" button of the actuator on the hand control for approx. 5 seconds
4. The actuator now initiates and can drive outwards
5. Repeat this for each actuator by pressing the matching "down" button on the hand control
6. The actuator system is now initialized

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The desk cannot drive up if it has not been initialized.

If display: error code E01, the desk must be initialized.

How to initialize:

1. Press down key and drive to the lowest position. Hold the key until the desk stops completely.
2. Reactivate the down key and hold the key until the desk stops completely.

Now the desk can drive up.

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If you need a new hand control for your adjustable bed, you need to contact the supplier from whom you purchased the bed. 
This applies both in cases where you have lost your hand control, the hand control is broken as well as in cases where the battery has run out of power and the battery cannot be exchanged. The supplier will assist you in ordering a new hand control - LINAK does not sell spare parts directly to the person who owns the bed.

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Learn how to mount the single actuator LA18 IC with a click-on back fixture onto comfort beds with LINAK systems.

1. The LA18 IC is delivered with the click-on back fixture open.
2. Simply click the actuator onto the frame.
3. To remove the LA18 IC: Simply push the middle parts of the fixture and pull back. Then slide the actuator off.

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The LINAK hand control for an adjustable bed does not work

If you experience problems with the hand control for your adjustable bed, you need to contact the supplier from whom you purchased the bed. 
LINAK does not sell spare parts directly to the person who owns the bed.

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Watch this video, and learn more about the innovative mechanical emergency lowering feature you get with TWINDRIVE TD4. This procedure also applies to our TD5 Dual Actuators. 

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Watch this video, and learn how to mount the TWINDRIVE TD4 and TD5.

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The handset needs to be set up with the TWINDRIVE TD1 280 (memory) underneath the bed.

Follow the instructions shown in the video or in the following steps:

1. Activate the reset key on the RFR box attached to the TD1.
2. Keep the reset key activated while pressing a random button on the handset. If there are more handsets, keep the reset key activated and press a random button on the other handset.
3. Your bed is now ready for use.

Relevant for the following products:

How to pair hand controls to a system with a CBH Advanced and a Bluetooth^® Adapter

1. Connect to a power outlet  
2. Bluetooth^® Adapter flashes for 3 minutes to indicate pairing mode
3. To pair a hand control, press the two top buttons while the adapter is flashing
4. A long flash indicates successful pairing
5. All LINAK hand controls are paired by pressing the two top buttons

How to pair a hand control later

1. Start pairing mode again
2. Unplug from the power outlet and wait 10 seconds
3. Connect to a power outlet
4. Bluetooth^® Adapter flashes for 3 minutes to indicate pairing mode
5. Repeat pairing procedure on the other hand control
6. The system is now paired and ready to use

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How to pair the Bed Control App with a CBH Advanced system

1. Locate and download the Bed Control App in an App store
2. Open the Bed Control App
3. Make certain that your system is in pairing mode
4. Choose your bed in the list and connect
5. A long flash indicates successful pairing
6. Start the onboarding flow
7. Choose the features of your bed to complete the setup
8. The system is now paired and ready for use
9. Wait for five seconds before controlling your bed with different hand control options

Relevant for the following products:

With TWINDRIVE TD4 and TD5 it is easy to connect a control or a mobile device with the LINAK Bed Control app.

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How to connect a TD4/TD5 Advanced system and use parallel drive

The system consists of:
2 x TD4/TD5 Advanced
2 x Switch Mode Power Supply
1 x Serial cable
1 x Bluetooth^® hand control 

1. Connect 2 x SMPS to the 2 x TD4/TD5 Advanced
2. Use one serial cable to connect the two TD4/TD5 Advanced
3. Connect both actuators to a power outlet
4. Pair the hand control
5. The TD4/TD5 system will now run in parallel when using the hand control

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Learn how to assemble the actuator LA10 system for recliners without a battery.

The system in the video consists of the following:

• Single actuator LA10
• Mounting bracket MB001 (mounting - this is described in Mounting the control unit for LA10)
• Charging point CP002
• Connection cable
• Safety release cable
• Power cable
• SMPS006
• Charging cable

1. Plug the Bluetooth^® dongle into the actuator LA10 - you know it is in place when you hear a click.
2. Connect the two actuators LA10 with the connection cable.
3. Connect the Charging Point to the actuator LA10 using the remaining free slot.
4. Connect the power cable to the power supply SMPS006.
5. Plug the charging cable into the SMPS006 and connect the safety release cable..
6. Connect the safety release cable to the charging point.
7. You now have an assembled system for recliners

For more information about the LINAK^® Recliner system, please visit the recliner application page.

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You have to reach out to the place you purchased your recliner. LINAK^® does not sell the controls directly to consumers.

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Learn how to see if your recliner has a LINAK^® system.

You can usually see if a system is produced by LINAK by looking at the SMPS or under the batteries in the hand control.

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Learn how to mount the different versions of the hand control BP10 and the matching mounting bracket in a recliner with LINAK^® systems.

To mount the Control unit you will need:

• Mounting bracket MB001
• One of the BP10 controls. This video shows the BP12.
• A screwdriver
• Four screws. Countersunk 45°, flat head, max. ø3.5 mm.

1. Place the bracket in the recliner where you want it to go. Use the screws to mount it firmly.
2. Place the metal plate in the bracket and click the top part in place on top of the metal plate. You will hear a click when it is in place.
3. Place the control unit in the bracket.

For more information about the LINAK Recliner system, please visit the recliner application page.

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Learn how to mount the charging points CP002 and CP003 in a recliner with LINAK^® systems.

1. To mount the CP002 and CP003 you will need to drill a hole into the surface where you want to use it. For CP002 drill a 24 mm hole and for the CP003 drill a 30 mm hole.
2. From the back, push the ring over the charging point until it is fastened tight to the fabric. You will hear a click.
3. The inner ring of the Charging Point will light up when connected to power to indicate charging.

For more information about the LINAK Recliner system, please visit the recliner application page.

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Learn how to pair the control BP10 to a recliner with a LINAK^® system.

1. (Re)connect the system to power.
2. Press the two top buttons of the control unit at the same time.
3. Your control is now paired to the system and is ready to be used.

For more information about the LINAK recliner system, please visit the recliner application page.

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How to set up a double bed for simultaneous drive with the TD4 or TD5 Standard

The system consists of:
2 x TD4/TD5 Standard
2 x power cables
1 x Bluetooth^® hand control

1. Connect the two dual actuators TD4/TD5 to a power outlet
2. The Under Bed Light on both TD4/TD5 dual actuators starts to flash to indicate pairing mode
3. Pair the hand control (press the two top buttons simultaneously)
4. A long flash indicates successful pairing
5. Now both dual actuators TD4/TD5 Standard are paired to one hand control

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My LINAK hand control has run out of battery life

Unfortunately, for some hand controls it is not possible to change the batteries. If your battery in these hand controls runs out of power, you will have to purchase a new hand control. You can do this by contacting the vendor who sold you the bed. 

LINAK does not sell spare parts directly to the person who purchased the bed.

Relevant for the following products:

Yes, you can drive four individual analog functions on a CA10, as long as you stay within 100 W and duty cycle 2/18 min.

Relevant for the following products:

It is currently not possible

Please contact your local sales engineer at LINAK.

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Yes, you will need to buy a port repeater such as an MJB2/MJB5

Relevant for the following products:

The CA10 is compatible with LA24 and LA27 actuators. Keep in mind that the CA10 can only be mounted on the LA24 back-rest actuator.

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Please contact your local sales engineer at LINAK.

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We only recommend dismounting the CA10 from the LA24 actuator when it is absolutely necessary. Please see the how-to-mount video for instructions on how to do this the right way without damaging the CA10 snap-on mechanism.

Relevant for the following products:

It is currently not possible

Please contact your local sales engineer at LINAK.

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The CA10 comes with pre-installed cables in fixed lengths that have been chosen to fit most homecare bed applications. Please contact your local sales engineer at LINAK if you have further questions on cable length requirements.

Relevant for the following products:

Currently, there are four versions of the SMPS10 (220-240VAC): EU, UK, Australia and China.

Relevant for the following products:

This complete solution includes an SMPS10 external 100W Switch Mode Power Supply, a CA10 fully analog control box with electronics, fixed cables, hand control port and mountable on the LA24 actuator; an HB400/HB70 analog hand control and a choice of LA24 and LA27 actuators for 3 or 4 motor bed applications.

Relevant for the following products:

It is not possible to replace a broken cable as they are fixed to the control box.

Please contact your local sales engineer at LINAK.

Relevant for the following products:

It is currently not possible

Please contact your local sales engineer at LINAK.

Relevant for the following products:

It is currently not possible

Please contact your local sales engineer at LINAK.

Relevant for the following products:

It is currently not possible.

Relevant for the following products:

The essential solution.

LINAK Spyder™ is a cost-efficient actuator system for 3-4 motor bed applications powered by an external SMPS.

Relevant for the following products:

The LINAK Spyder is rated IPX4 when the handset is connected to the CA10 control box. IPX4 means that the products are protected from splashing and suited for manual cleaning, ideally with a damp cloth.

Ensure that the power cable connector is kept dry during cleaning.

The CA10 platform, powered via an external power supply (SMPS10), is certified in accordance with the general standard for medical electrical equipment, IEC 60601-1.

The same applies to the SMPS10 power unit. The CA10 is designed for IPX4 according to the requirements of the standard for medical beds, IEC 60601-2-52, and the SMPS10 is designed for IP21 according to the requirements of the standard IEC 60601-1-11 for medical electrical systems used in the home healthcare environment.

The IEC 60601-1 states that the requirements of an ME system distinguish between ‘within’ and ‘outside’ the PATIENT ENVIRONMENT. When in active use, the SMPS10 is outside the PATIENT ENVIRONMENT and if/when cleaned, there is no longer a connection between the bed and the SMPS10.

Relevant for the following products:

Please contact your local LINAK representative.

Relevant for the following products:

LINAK Spyder is intended for basic bed applications, such as the homecare market.

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1. Drive the LA27 to the outer position (without interruption until it stops)
2. Release the button
3. Drive the LA27 to the inner position (without interruption until it stops)
4. Release the button

The system has now been initialized.

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1. Plug the Bluetooth Adapter into the powered up TD3.
2. The Adapter is now in pairing mode. A blue blinking LED will indicate this.
3. Take the Bluetooth hand control and press the Back “Up” and “Down” buttons at the same time. Now the light will display a long blink and indicate that the control and the actuator are paired up.

Relevant for the following products:

1. Activate the reset key on the TD3. The bed drives to a flat position. Keep the key pressed until the motor stops completely.
2. Release the reset key.
3. Reactivate the reset key on the TD3.
4. Keep the reset key activated while pressing a random button on the handset.
5. If there are more handsets, keep the reset key activated and press a random button on the other handset.

Your bed is now ready for use.

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1. Set the TD4 in pairing mode by connecting it to a power outlet.
2. The product is now in pairing mode. The Under Bed Light will blink to indicate this.
3. Take the Bluetooth hand control and press the Back “Up” and “Down” buttons at the same time. Now the light will display a long blink and indicate that the control and the actuator are paired up.

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Check: Is the power outlet connected to the TWINDRIVE TD1?
Try/Solution: Try to connect a lamp or a similar object to the power outlet to check that the supply voltage is OK.

Check: Are all plugs mounted correctly on the TWINDRIVE TD1?
Try/Solution: Check all connections.

Check: Is there any visible damage to the cables?
Try/Solution: Damaged parts must be exchanged. Contact the company that sold you the bed.

Relevant for the following products:

Check: Is the power line connected to the TWINDRIVE TD3?

Try/Solution: Try to connect a lamp or similar to the power outlet to check that the supply voltage is OK.


Check: Are all plugs mounted correctly on the TWINDRIVE TD3? 

Try/Solution: Check all connections. Use the cable relief on the TD3 to make sure the cable does not fall out. Follow the procedure shown in the video or the instructions below.

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The desk must be initialized.

Follow the procedure shown in the video.

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Check: Is the power line connected to the control box?
Try/Solution: Try to connect a lamp or similar to the power outlet to check that the supply voltage is OK. 

Check: Are all plugs mounted correctly on the control box and the leg?
Try/Solution: Check all connections. 

Check: Is there any visible damage to the cables, controls, control box or legs?
Try/Solution: Damaged parts must be exchanged. Contact the company that sold you the desk. 

Relevant for the following products:

The system has set a new end-stop outwards.

To erase this position, the desk must be initialized again. Follow the procedure shown in the video.

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The DPT is locked when not in use to avoid unintended drive.

To unlock the DPT follow the procedure shown in the video.

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The desk cannot be raised if it has not been initialized.

If the display shows error code 'E01', the desk has not been initialized.

How to initialize your desk:

1. Press the down key until the desk is lowered completely. Hold the key until the desk no longer moves.
2. Reactivate the down key and hold until the desk no longer moves. Now the desk can be raised.

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The actuator adjusting the neck function needs to be initialized. Follow the instructions shown in the video or in the following steps:

TD3 AND LA27 - How to initialize the motor system

1. Push the down button on the actuator.
2. Drive the actuator until it has reached the inner position and stops completely.
3. Release the key on the handset.
4. Reactivate the down key on the actuator and keep it activated for approx. 5 sec.
5. You can now drive the actuator outwards.

The system has now been initialized.

Relevant for the following products:

There are several types of lifting column profiles available – and they are also available as 2-stage or 3-stage – providing a unique look for the desk legs.

Please, go here to view the full selection of electric lifting columns for sit-stand desks in various profiles.

At LINAK we work with two types of dual actuators: Standard and Advanced.

The Standard versions offer back and leg adjustment with only one unit as well as the following integrated features: mechanical emergency lowering, low stand-by power consumption, and integrated under-bed light.

The Advanced versions of the LINAK dual actuator offer the same features as the Standard version – and then something extra. In addition, they offer the option of parallel drive of two beds, the possibility of saving favorite positions, and adding extra accessories such as massage motors or extra under-bed light.

You can tell the Standard and Advanced versions apart by looking at the plugs. If there is an available plug after having connected the power cord – you have an advanced version.

LINAK offers two choices for lifting columns for sit-stand tables or height-adjustable desks where you need to add the desk legs. We offer lifting column systems where the columns either come with a motor housing or they are what we call inline columns.

To get more details on each of these options, please follow the links below.

The LINAK^® dual actuators, or TWINDRIVE^®, is an all-in-one solution where one unit offers two separate adjustments of a bed. The dual actuators are used to incorporate movement into an adjustable bed. We have optimized our dual actuators to ensure compatibility with most dual actuator bed frames, using standardized spacing between crossbars and universal twist bracket dimensions/designs found in the market.

LINAK lifting Columns are hi-tech electrical devices able to convert rotational motion in low voltage DC motors into linear push/pull movement. Lifting columns are designed to deliver elegant height adjustment for modern office desks, a wide variety of workstations, couches and tables in hospitals and general healthcare, and many other places.

The anti-collision feature in various sit-stand desks is basically a feature that prevents your desk from continuing to run if it were to run into something. Instead it will stop and run a little backwards. This is how it will minimize the damage.

If you want to know more about our different types of anti-collision solutions, please follow the links below:

• PIEZO : anti-collision system
• DS1 : gyroscope-based solution

The question about which dual actuator is best depends entirely on the bed you want to integrate movement into. Therefore, it is not possible to say which LINAK dual actuator is best for your bed design.

First, you will need to know how much force your bed design requires. For heavy constructions and mattresses, we recommend TD5, whereas for slatted beds with lighter mattresses, we recommend TD4.

Secondly, you will need to know which features you want your bed to have. For all the standard features the standard version of the dual actuator is fine. However, should you require an extra actuator, parallel drive of two beds, and also want to offer the possibility of saving favorite positions, you will need an advanced dual actuator.

To find out exactly which system fits your requirements, our sales people are always ready to help you find the right solution.