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Carrier 58MSA06012108 Furnace Door Switch
The furnace door switch is a safety switch which stops initial fan and burner being triggered to start so as to avoid injuries. It is quite important to have it traded for new one immediately if you can, if it is causing you problems.
Easy warnings poorly operating safety door switch
- The furnace will not fire up even with the door closed
- The door mechanism seems to be broken badly
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