Ground fault

What does F03 mean?

An immediate switch-off with inhibit occurs due to a ground fault. This can be caused by a ground fault in the motor, the inverter itself, or the motor supply lead. It may also be a symptom of an overcurrent condition.

• Ground fault in the motor
• Ground fault in the inverter
• Ground fault in the motor supply lead
• Overcurrent (refer to F01 causes)

Click steps to track your progress.

1. 1

   Replace the motor if a ground fault is detected within it

2. 2

   Replace the MOVITRAC® B inverter if it has an internal ground fault

3. 3

   Eliminate any ground fault found in the motor supply lead

4. 4

   Refer to troubleshooting steps for F01 if overcurrent is a contributing factor