FACP Manuals Logo
FACPManuals
Ask AI
Ask AI
CO TBLtrouble

Notifier NFS-320: CO TBL

Notifier NFS-320·1 view·0 field notes

What This Code Means

The CO element on the detector is not working properly.

Common Causes

  • 1CO element failure
  • 2Internal detector fault

Resolution Steps

Replace the detector.

Manual References(2)

Field Notes

Loading field notes...
Sign in to share a field note

Related Codes

BAT.BACKUP RAMThe RAM battery backup voltage is low.DIRTY 1The detector is dirty and needs cleaning.BLOCKSomething has come between the beam detector and its reflector.Photo/CO (C Sup)Indicates activation of the CO element of a detector, which triggers the SUPERVISORY LED.Photo/COIndicates activation of the Photo, Heat, or CO element of a detector.

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?
All NFS-320 trouble codesNFS-320 panel page