Ground Fault

What does 03 mean?

Immediate shut-off caused by a ground fault detected in the incoming power cable, within the inverter's internal circuitry, or in the motor windings. This poses an electrical safety hazard and can damage equipment.

• Electrical current is flowing to ground, indicating an insulation failure.
• Short circuit to the chassis or ground wiring.
• Faulty motor winding or power cable insulation.

Click steps to track your progress.

1. 1

   Locate and eliminate the ground fault in the incoming cable, inverter, or motor.