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Low Chamber valuemaintenance

Notifier NFS2-640: Low Chamber value

Notifier NFS2-640·1 view·0 field notes

What This Code Means

A maintenance warning level indicating that the detector chamber reading is too low, which typically signifies a hardware malfunction.

Common Causes

  • 1Hardware problem in the detector
  • 2Detector chamber reading is too low
  • 3Detector not operating properly

Resolution Steps

The detector must be removed and replaced by an authorized service representative.

Manual References(4)

Field Notes

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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.

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All NFS2-640 trouble codesNFS2-640 panel page