Unit Shutdown Due to Smoke alarm

¿Qué significa Unit Shutdown Due to Smoke ?

This alarm is triggered when the 24 VAC power supply to the SDR input terminal on the SEC board is lost. This input is typically connected to a smoke detector circuit.

• Loss of 24 VAC from the SD24 output
• Problem with the wiring to the smoke detector
• Faulty smoke detector
• Interruption in the circuit to the SEC board's SDR terminal

Haga clic en los pasos para seguir su progreso.

1. 1

   Check the SD24 output for 24 VAC.

2. 2

   Trace the circuit from the SD24 output to the SEC board's SDR terminal to find where power is lost.

3. 3

   Ensure smoke detectors and any associated wiring are functioning correctly.

4. 4

   If the circuit appears intact and power is lost, there may be an issue with the SEC board.