7 Maintenance, care and repairs
Linear actuators MC100 • MC103
30 Version 2.1 - March 2011 Operating Manual
6.2 LED display
The LED on the main PCB in the actuator indicates the operating status or errors.
10.2 Check list for breakdown on page 32
7 Maintenance, care and repairs
The linear actuator requires little maintenance. You do not have to carry our
continuous or periodical maintenance.
8 Spare parts
When ordering accessories and spare parts please quote the specifications
engraved on the type plate of your linear actuator. The specifications on the type
plate are standard for the technical date of linear actuators as well as the
requirements for the public power supply.
Damage to device caused by faulty spare parts!
Spare parts must match the technical data specified by the manufacturer.
• Use genuine spare parts at all times.
2.1 Component parts on page 6
* This component parts is available as a spare part! on page 6
LED Operating status / error
Duration
Normal operation, ready for operation
The LED is permanently lit, actuator waiting for traverse
command.
Standard Operation
Actuator carries out traverse command.
Short – long rhythm
Wire break detection
Input signal has dropped below 1 V or below 2 mA in
operating modes 2 … 10 V DC or 4 … 20 .
2.4.3 Wire break detection on page 8
Long – long rhythm
Blockage detection (continuous mode only)
The linear actuator is mechanically blocked.
2.4.2 Blockage detection on page 8
Long – long rhythm
Continuous signal on terminal 2 and 3
A simultaneous control signal at terminal 2 and 3 will result in
an initialising cycle (max. 4 attempts). The linear actuator will
automatically switch off after 4 unsuccessful attempts.
table 7 Display LED
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