Wascomat Clarus Control SU620 - No Motor Comm

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Troubleshooting
NO MOTOR COMM.
Communication between the programme unit and the motor
controller has been interrupted or interfered.
If the power is on, be very careful when working on the the machine.
Try to restart the machine (i.e. reset the error code) by pressing START.
If the error returns, troubleshoot as follows:
1. Perform a communication test using the test box. Refer to the manual ”Instructions
for Clarus Communication Tests”.
OK LED on test box Defective LEDs on test box
Troubleshoot according to the manual ”Instructions for
Clarus Communication Tests”.
The motor controller or cabling for the motor controller is probably defective.
Check the fuses in the Protection Cable.
If one of the components in the Protection Cable is damaged, the cable must be replaced.