Description
In drive module arg, the drive unit at unit location arg has detected a problem with the logic power supply.
Consequences
No operation is possible until the fault is corrected. The system will go to the "motor off" state with zero torque.
Possible causes
Temporary or frequent loss of logic power to driver 24V.
Recommended actions
- Check the event log for error messages from the power supply unit.
- Check the wiring between the power supply unit and the drive unit.
- Check the 24V output of the power supply unit.