SHORT: NFW2-100 Trouble Code | Fire Alarm Resource Center

What This Code Means

This code indicates a shorted circuit condition on an addressable device connected to the SLC loop.

Common Causes

1Shorted circuit on an addressable device
2SLC loop wiring fault
3Addressable device hardware failure

Resolution Steps

Pressing the Acknowledge/Step or Alarm Silence key will cause the pulsing piezo to silence and the system Trouble LED to change from flashing to on steady.

Manual References(1)

1notifierNFW2-100Installation2005p. 127, 172, 139, 126, 107 +16Open

Related Codes

INVREPInvalid reply from the addressable device, indicating a hardware problem.COMM FAULT 1The control panel has failed 10 total attempts to communicate with the primary Central Station phone number.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.DIRTY2Maintenance alert indicating that a detector needs immediate maintenance due to being within 80% of its alarm threshold for 24 hours.

Notifier NFW2-100

What This Code Means

Common Causes

Resolution Steps

Manual References(1)

Field Notes

Related Codes

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