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LOW BATTERY
trouble

Notifier NFW2-100

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What This Code Means

Battery voltage has fallen below the required threshold.

Common Causes

  • 1Old or failing batteries
  • 2Extended AC power loss
  • 3High resistance in battery cables

Resolution Steps

Measure battery voltage. If batteries are more than 3-5 years old, replace them. Ensure AC power is present to allow the charger to operate.

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.DUCT SUPERVISORYA supervisory condition has been triggered by a duct smoke detector.NAC 1 FAULTA fault condition (open or short) on Notification Appliance Circuit 1.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