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AC_FAIL
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Notifier NFW2-100

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What This Code Means

The control panel has lost primary AC power.

Common Causes

  • 1Tripped circuit breaker
  • 2Blown AC fuse
  • 3Local power outage

Resolution Steps

Check the primary AC breaker and verify voltage at the panel terminals. Replace the AC fuse if blown.

Manual References(1)

Field Notes

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Related Codes

INVREPInvalid reply from the addressable device, indicating a hardware problem.DIRTY2Maintenance alert indicating that a detector needs immediate maintenance due to being within 80% of its alarm threshold for 24 hours.NAC 1 FAULTA fault condition (open or short) on Notification Appliance Circuit 1.DUCT SUPERVISORYA supervisory condition has been triggered by a duct smoke detector.COMM FAULT 1The control panel has failed 10 total attempts to communicate with the primary Central Station phone number.

Related Questions

What is the maximum SLC wiring distance and resistance limit for the NFW2-100?Which Notifier intelligent detectors and modules are compatible with the NFW2-100 SLC loop?How do I program the built-in DACT on the NFW2-100 for central station communication?
All NFW2-100 trouble codesNFW2-100 panel page