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Nfs 320
Low Chamber Value

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Troubleshooting Tip

When diagnosing codes, always check the event history log first. Many trouble conditions are intermittent and tied to environmental factors like temperature or moisture.

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Low Chamber value: NFS-320 Trouble Code | Fire Alarm Resource Center

Low Chamber value

maintenance

Notifier NFS-320

78 views·0 field notes

What This Code Means

The detector chamber value has dropped below the allowed limit.

Common Causes

1Detector hardware failure
2Environmental interference

Resolution Steps

Inspect the detector and replace if the condition persists.

Manual References(2)

1notifierNFS-320Operations2011p. 21, 68, 70, 5Open

2notifierNFS-320CDatasheet2017Open

Field Notes

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Related Codes

LO VALThe detector chamber reading is too low or internal elements are failing.BAT.BACKUP RAMThe RAM battery backup voltage is low.PRLOSSThe output module or new sounder base lost power.INVREPThe device has returned a response to the panel that the panel did not recognize.System ResetA system command or status message indicating the control panel is clearing all active inputs, interrupting resettable power, and decoupling from the network for 60 seconds.

Related Questions

What are the main differences between the NFS-320 and the NFS2-640?What are the NAC circuit specifications for the NFS-320, and how does the shared 6-amp power supply limit total NAC loading?What batteries does the NFS-320 use, and when is an external battery box required?

All NFS-320 trouble codes NFS-320 panel page