03
Ground Fault
SEW Eurodrive · MOVIDRIVE compact MCF/MCV/MCS4_A
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.
Source: SEW Eurodrive MOVIDRIVE compact MCF/MCV/MCS4_A
Open Manual (Page 96)