TROUBLtrouble

Notifier NFS2-640: TROUBL

Notifier NFS2-640·0 views·0 field notes

What This Code Means

The system enters System Trouble mode when the control panel detects an electrical fault or a trouble condition on a supervised circuit or module.

Common Causes

1Electrical fault
2NAC (Notification Appliance Circuit) trouble
3Panel Circuit trouble
4Control/Relay module or transponder trouble
5AC power loss
6Battery or charger failure
7Communication loss with annunciators or modules

Resolution Steps

Press the ACKNOWLEDGE/SCROLL DISPLAY key to silence the panel sounder and switch the SYSTEM TROUBLE LED from flashing to steady. Observe the LCD display for a specific Type Code and trouble message (e.g., AC FAIL, BATTERY, etc.) to identify the exact source of the fault and refer to the system trouble table for specific corrective actions.

Manual References(2)

1notifierNFS-640Operations2003Open

2notifierNFS2-640Operations2013p. 75Open

Field Notes

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Related Codes

INVREPThe device has returned a response to the panel that the panel did not expect.INST ON L1No devices are installed on the system.STYLE 6 POS. LOOP xThere is an open circuit on the positive side of loop x.MASTER BOX NO ANSWERA TM-4 transmitter module connected to a municipal box is not responding to the control panel.TROUBLA status banner displayed on the LCD indicating that the control panel has detected an electrical fault or a functional issue with a system component or device.