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Whirlpool ATE1543RPP0 Furnace Door Switch
The furnace door switch is a safety switch which stops the vent fan and ignition sequence from turning on in order to prevent injury and fire. You should have the switch be changed ASAP if you suspect that it is not working.
Red flags of a dying safety door switch
- The furnace door switch looks bent
- The system does not even thing about starting whether the door is open or closed
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