Frequently asked questions
What can cause a GrdF ground fault on the ATS22 soft starter?
FA246405
26 August 2022
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.