FACP Manuals Logo
FACPManuals
Ask AI
Ask AI
CO TBLtrouble

Notifier NFS2-640: CO TBL

Notifier NFS2-640·0 views·0 field notes

What This Code Means

The CO element on a detector is not working properly.

Common Causes

  • 1CO element failure
  • 2Detector hardware malfunction

Resolution Steps

Replace the detector. Note that this trouble generates in FlashScan mode only; CLIP mode will generate a LO VAL error instead.

Manual References(3)

Field Notes

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

Related Codes

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.INVREPThe device has returned a response to the panel that the panel did not expect.FREEZE WARNINGThe temperature read by a Heat+ or Acclimate Plus™ detector has dropped below the low-temperature threshold, typically 40°F (4.44°C).MASTER BOX TROUBLEA TM-4 connected to a municipal box is in trouble.STYLE 6 POS. LOOP xThere is an open circuit on the positive side of loop x.

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 NFS2-640 trouble codesNFS2-640 panel page