Battery Bad
troubleKidde FX-5
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What This Code Means
The standby battery has failed a load test and is no longer reliable.
Common Causes
- 1Aged or worn-out battery
- 2Internal cell failure
- 3Battery has been deeply discharged too many times
Resolution Steps
Replace the standby batteries with new ones of the same AH rating and voltage. Ensure the new batteries are fully charged.
Manual References(2)
Related Codes
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?