Check Remote Switch 2

Failure in the remote switch 2 circuit, typically tied to a door sensor or auxiliary input. Close all compartment doors; if the unit remains shut down, repair immediately.

Possible causes

Door or auxiliary switch open or stuck
Damaged remote switch 2 wiring
Faulty magnet or sensor on the second door
Loose terminal at the APX controller

Recommended actions

Close all compartment doors firmly
Inspect remote switch 2 wiring continuity
Test the switch with a jumper to isolate hardware fault
Replace magnet or sensor if alignment is lost

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