Output side earth (ground) fault overcurrent at start

What does E.GF mean?

This fault indicates an output side earth (ground) fault overcurrent detected during inverter startup on the load side. It signifies a critical insulation breakdown in the motor or its connecting cables, posing a significant safety hazard and risk of equipment damage. This protection is configurable via Pr. 249.

Complete Troubleshooting Guide

1. 1

   Perform a thorough inspection of the motor and its connecting cables to identify and repair any existing ground faults.

2. 2

   Ensure Pr. 249 (Earth (ground) fault detection at start) is appropriately configured; if set to "0", this warning won't occur.