Siemens SINAMICS G120 Drive
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Feb 16, 2024 4:51 am
Cause : Ground fault comes when power unit has detected a ground fault due to ground fault in the power cables, winding fault or ground fault at the motor, CT defective.
- check the power cable connections.
- check the motor.
- check the CT.
- check the cables and contacts of the brake connection (a wire is possibly broken).
