INVREPtrouble

Notifier NFS2-640: INVREP

Notifier NFS2-640·1 view·0 field notes

What This Code Means

The device has returned a response to the panel that the panel did not expect.

Common Causes

1Device functionality issues
2Incorrect addressing
3Wiring issues

Resolution Steps

Check the device for functionality, addressing and wiring.

Manual References(4)

1notifierNFS-640Operations2003Open

2notifierNFS2-640Operations2013p. 72Open

3notifierNFS2-640Datasheet2017Open

Field Notes

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Related Codes

PROGRAM MODEA user is currently accessing the panel’s programming menus or a database download is in progress.INST ON L1No devices are installed on the system.STYLE 6 POS. LOOP xThere is an open circuit on the positive side of loop x.TROUBLA status banner displayed on the LCD indicating that the control panel has detected an electrical fault or a functional issue with a system component or device.FREEZE WARNINGThe temperature read by a Heat+ or Acclimate Plus™ detector has dropped below the low-temperature threshold, typically 40°F (4.44°C).

Related Questions

How does the NFW2-100 ground fault detection work?What battery size does the NFW2-100 require, and how do I silence a battery trouble condition after replacement?What batteries does the NFS-320 use, and when is an external battery box required?

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