Ground fault

What does F3.1 mean?

A ground fault has been detected, which could be located in the motor leads, the inverter itself, or within the motor windings. This fault presents a significant electrical safety hazard and can cause extensive damage to equipment if not immediately addressed.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Isolate the inverter and check its internal components for a ground fault.