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Nfw2 100
Telco Line 1

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Troubleshooting Tip

When diagnosing codes, always check the event history log first. Many trouble conditions are intermittent and tied to environmental factors like temperature or moisture.

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TELCO LINE 1: NFW2-100 Trouble Code | Fire Alarm Resource Center

TELCO LINE 1

trouble

Notifier NFW2-100

83 views·0 field notes

What This Code Means

Fault detected on the primary telephone line.

Common Causes

1Cut phone line
2Telco service outage
3Faulty DACT

Resolution Steps

Verify the presence of dial tone on Line 1. Check connections at the RJ31X jack. Contact the telephone service provider if no dial tone is present.

Manual References(1)

1notifierNFW2-100Installation2005p. 18, 127, 107, 109, 126 +5Open

Field Notes

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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.

Related Questions

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

All NFW2-100 trouble codes NFW2-100 panel page