TROUBL CONTROL PANEL CIRCUITtrouble

Notifier NFS2-640: TROUBL CONTROL PANEL CIRCUIT

Notifier NFS2-640·0 views·0 field notes

What This Code Means

A trouble condition occurring on a Panel Circuit, which includes ICM-4RK, CRM-4RK, VCM-4RK, or DCM-4RK panel modules connected to the control panel.

Common Causes

1Electrical fault on the circuit
2Open circuit on supervised wiring
3Short circuit on supervised wiring
4Module failure or disconnection

Resolution Steps

Press the ACKNOWLEDGE/SCROLL DISPLAY key to silence the panel sounder. Identify the specific device address and type code shown on the LCD display. Inspect the wiring and connections between the control panel and the ICM-4RK, CRM-4RK, VCM-4RK, or DCM-4RK modules for faults.

Manual References(2)

1notifierNFS-640Operations2003Open

2notifierNFS2-640Operations2013p. 22Open

Field Notes

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Related Codes

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.INVREPThe device has returned a response to the panel that the panel did not expect.Low Chamber valueA maintenance warning level indicating that the detector chamber reading is too low, which typically signifies a hardware malfunction.FREEZE WARNINGThe temperature read by a Heat+ or Acclimate Plus™ detector has dropped below the low-temperature threshold, typically 40°F (4.44°C).STYLE 6 POS. LOOP xThere is an open circuit on the positive side of loop x.