SMOKE MULTI: NFS2-640 Trouble Code | Fire Alarm Resource Center
SMOKE MULTI
alarm
Notifier NFS2-640
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What This Code Means
This is a Type Code for a multisensor smoke detector (such as the Acclimate Plus™) operating in CLIP mode. It indicates that the detector has been activated.
Common Causes
1Smoke or fire detected by the multisensor device
2Activation of an Acclimate Plus™ detector
3Environmental conditions triggering the sensor
Resolution Steps
Identify the location of the activated detector. Investigate the area for fire or smoke. If no fire is present, check for environmental factors or detector contamination. Reset the panel after the condition is cleared.