GND FAULTtrouble
Edwards EST EST3: GND FAULT
Edwards EST EST3·0 views·0 field notes
What This Code Means
The SFS1-CPU module has detected an unintended connection between a system circuit and the earth ground.
Common Causes
- 1Damaged wire insulation
- 2Water in conduit
- 3Pinched wires in backbox
Resolution Steps
Inspect field wiring for contact with the building ground or conduit. Use a multimeter to isolate the specific circuit leg causing the fault and repair the insulation or connection.