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Fault messages & troubleshooting
FAN_ID23: Fan error: Attempt to restart
Replace communication cable between power board and control board for test purposes and
Measure output voltages at connector S300. Is a voltage of approx. 320 V DC present?
No voltage present. Replace power board for motor.
62
Description
The control board A1 does not receive any response via the CAN bus
cable from motor power board T10. There is an fault in the fan area.
Troubleshooting
Switch off unit and restart. Is the fault still present?
perform test run. Switch unit on "I." Error eliminated?
No
Service-instructions
Yes
No
Yes
Voltage present. Replace fan motor.
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