Notifier NFS2-640

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What This Code Means

The system enters Supervisory mode when a monitor module point programmed with a Supervisory type code activates.

Common Causes

1Activation of a tamper switch
2Activation of a waterflow switch
3Activation of a sprinkler system
4Radio frequency device activation
5Duct detector or other detector programmed for supervisory (non-alarm) condition
6Latching or tracking supervisory condition

Resolution Steps

1. Press the ACKNOWLEDGE/SCROLL DISPLAY key to silence the panel sounder. 2. Identify the device and location from the LCD display. 3. Correct the condition that activated the supervisory point. 4. If the Type Code is latching, press the SYSTEM RESET key to return the panel to normal operation. 5. If the Type Code is non-latching, the panel will return to normal automatically once the condition is corrected.

Manual References(1)

1notifierNFS2-640Datasheet2017Open

Field Notes

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Related Codes

INVREPThe device has returned a response to the panel that the panel did not expect.LO VALThe detector chamber reading is too low, or the detector is not operating properly. In CLIP mode, this may also indicate a failure of the thermistors, CO element, or infra-red element, or a freeze warning.INST ON L1No devices are installed on the system.PREALMThe control panel activates a Pre-Alarm Warning when a detector exceeds its programmed Pre-Alarm Alert or Action level, providing an early warning of incipient or potential fire conditions.TROUBLThe system enters System Trouble mode when the control panel detects an electrical fault or a trouble condition on a supervised circuit or module.