FACP Manuals Logo
FACPManuals
Ask AI
Ask AI
Maintenance Alertmaintenance

Notifier NFS-320: Maintenance Alert

Notifier NFS-320·1 view·0 field notes

What This Code Means

Indicative of dust accumulation that is near but below the allowed limit.

Common Causes

  • 1Dust accumulation
  • 2Dirty environment

Resolution Steps

Clean the detector to prevent a maintenance urgent or false alarm condition.

Manual References(2)

Field Notes

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

Related Codes

Photo/CO (P Sup)Indicates activation of the Photo element of a detector, which triggers the SUPERVISORY LED.Low Chamber valueThe detector chamber value has dropped below the allowed limit.Photo/COIndicates activation of the Photo, Heat, or CO element of a detector.Photo/CO (C Sup)Indicates activation of the CO element of a detector, which triggers the SUPERVISORY LED.DIRTY 1The detector is dirty and needs cleaning.

Related Questions

What batteries does the NFS-320 use, and when is an external battery box required?How does the NFW2-100 ground fault detection work?What are the main differences between the NFS-320 and the NFS2-640?
All NFS-320 trouble codesNFS-320 panel page