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Ground Fault
trouble

Kidde FX-5

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What This Code Means

The panel detected an unintended electrical path between the system wiring and earth ground.

Common Causes

  • 1Pinched wire in a junction box
  • 2Moisture in conduit or devices
  • 3Damaged wire insulation touching the cabinet

Resolution Steps

Systematically disconnect field circuits (IDCs, NACs, etc.) one at a time until the ground fault clears. Once the circuit is identified, trace the wiring to find the point of contact with ground.

Manual References(2)

Field Notes

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Related Codes

Charger TroubleThe panel detected a fault in the battery charging circuit.AUX Power TroubThe panel detected a trouble condition in the auxiliary power circuit.Battery BadThe standby battery has failed a load test and is no longer reliable.DACT Configuration TRBLThe F-DACT1(F) dialer is either not programmed or contains unverified configuration changes.AC FailureThe control panel has lost primary AC power.

Related Questions

Why does my FX-5 show a NAC circuit trouble even though all appliances are wired and the EOL resistor is installed?How do I clear a ground fault trouble on the Kidde FX-5 when the Ground Fault LED stays lit?What battery size fits inside the FX-5 cabinet, and what is the maximum Ah rating the charger can support?
All FX-5 trouble codesFX-5 panel page