Ground fault

What does 14 mean?

There is a discharge from the output phases to ground, which could be in the cable connecting the adjustable frequency drive to the motor, or within the motor itself. This fault poses a safety risk and indicates insulation breakdown.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Test motor winding insulation to ground with a megger; repair or replace the motor/cable as needed.