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What can cause a GrdF ground fault on the ATS22 soft starter?

FA246405

23 January 2021

Issue:
The ATS22 softstart unit trips on Ground Fault (GrdF).

Product Line:
ATS22


Environment:
All

Cause:
Tripping the unit

Resolution:
This is a Ground Leakage current detected fault.
Check the motor and wires insulation.
Check for proper installation and Grounding.
Check the settings Grdd, Grdt parameters in PrO menu.