SUP.L(ION)supervisory

Notifier NFS2-640: SUP.L(ION)

Notifier NFS2-640·0 views·0 field notes

What This Code Means

Ionization detector indicating a latching supervisory (non-alarm) condition.

Common Causes

1Ionization detector sensing smoke or combustion products at a supervisory threshold
2Environmental contaminants such as dust or steam
3Latching supervisory activation from the detector

Resolution Steps

Investigate the location of the ionization detector to identify the cause of activation. Once the condition is cleared, press the ACKNOWLEDGE/SCROLL DISPLAY key to silence the panel sounder, then press the SYSTEM RESET key to return the panel to normal operation.

Manual References(3)

1notifierNFS-640Operations2003Open

2notifierNFS2-640Datasheet2017Open

3notifierNFS-640Datasheet2006Open

Field Notes

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Related Codes

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