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ErrorLib — Industrial Fault Code Library

Disclaimer: ErrorLib is an independent technical reference tool. While we aim for accuracy, always verify with the manufacturer’s official service manuals before performing maintenance on industrial equipment. ErrorLib is not affiliated with the brands listed.

E.GF

Ground Fault

Mitsubishi Electric · Mitsubishi FR-E800 Variable Frequency Drive

What does E.GF mean?

The inverter output is shut off if an earth (ground) fault overcurrent flows on the inverter's output side (motor/load side). This protective shutdown prevents electrical hazards, motor damage, and further system failures due to insulation breakdown.

Common Causes

  • Ground Fault detected.
  • Current leakage to ground from a phase.
  • Insulation failure in motor windings or cabling.
  • Faulty wiring causing a path to ground.
  • Detection of earth fault current.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the motor and its connection cable for any signs of a ground fault, such as damaged insulation.

  2. 2

    Identify and remedy the specific portion of the system where the earth (ground) fault has occurred.

Browse all codes in this manual (55)
Verified technical data. Last updated: April 2026

Related Faults

CFContinuous operation during communication faultDIPDuplicate IP addressE.1Option Fault / Internal Contact Failure
Source: Mitsubishi FR-E800 Variable Frequency Drive
View Official PDFSearch more codes in this manual