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DIRTY 1maintenance

Notifier NFS-320: DIRTY 1

Notifier NFS-320·1 view·0 field notes

What This Code Means

The detector is dirty and needs cleaning.

Common Causes

  • 1Dust accumulation
  • 2Environmental contaminants

Resolution Steps

Clean the detector.

Manual References(2)

Field Notes

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Related Codes

BAT.BACKUP RAMThe RAM battery backup voltage is low.BLOCKSomething has come between the beam detector and its reflector.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.CHGFLTThe power supply's battery charger is not working properly.

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