Fault - 1020 - AC Side GFD Fault

ServiceLine RNWBL

Modified on: Tue, 18 Aug, 2026 at 1:25 PM

AC Side GFD Fault - 1020 - Ground Fault on AC grid side of GFD

Possible Problem : The fuse which is installed in the GFD is opened due to short or ground fault of AC grid side.

Solution(s) :