Instruction Manual for TECH-system type 239
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Page 36 of 39 june 2020 ver. 09
LINAK Danmark A/S - Mønstedsvej 9 8600 Silkeborg - Telefon 86803611 - www.linak.dk
Maintenance
• Clean the surface of the systems at appropriate intervals to remove dust and dirt, and check for
signs of damage and breakage.
• Check all connections, cables, housing and connectors, and check that the system functions
correctly.
• With the exception of motor control units with PCB or those prepared for mounting in an electrical
panel, the control boxes are sealed and maintenance-free.
• Check all connections, cables, housing and contacts.
• For actuators with sealing class IPX6 rating and better: If cleaned using water, these units should
only be washed when the piston rod (spindle) is fully extended.
Service operation
In some situations, it may be necessary to operate the actuators individually. This function can be
established by connecting two push-buttons to terminal 11 (actuator 1) and terminal 12 (actuator 2). (See
the connection diagram for operating units on page 26).
Using the control unit – ARROW UP or ARROW DOWN – while simultaneously depressing the push-
button for the actuator in question, only the actuator in question will operate.
WARNING! Make sure that the application will not be twisted or deformed if one of the
actuators is not operating.
Reading monitoring values
By using programming unit TR-EM-236, it is possible to read the current values for the system. Four
values can be displayed.
In the main menu, use ARROW DOWN to select the “Monitor Values” menu.
Explanation of monitoring values
1. Current, actuator 1 10-200 = 1-20A
2. Current, actuator 2 10-200 = 1-20A
3. Number of pulses Displays the current number of pulses measured on actuator 1
4. Deviation in pulses Displays the current deviation in pulses between actuator 1 and
actuator 2.
5. Position 1 Displays the current position, measured in pulses, for actuator 1
6. Position 2 Displays the current position, measured in pulses, for actuator 2
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