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TERMINAL SUPERVISORYtrouble

Notifier NFS-320: TERMINAL SUPERVISORY

Notifier NFS-320·1 view·0 field notes

What This Code Means

There is a communication error with the CRT-2 terminal.

Common Causes

  • 1Disconnected cable
  • 2CRT-2 power loss

Resolution Steps

Check connections to the CRT-2 terminal.

Manual References(2)

Field Notes

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Related Codes

CO TBLThe CO element on the detector is not working properly.BAT.BACKUP RAMThe RAM battery backup voltage is low.Low Chamber valueThe detector chamber value has dropped below the allowed limit.DIRTY 1The detector is dirty and needs cleaning.BLOCKSomething has come between the beam detector and its reflector.

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