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Goodman ADS Furnace Door Switch
The furnace door switch is a safety switch which prevents initial fan and ignitor from starting so as to avoid injuries. Do not try to fix it, just have it switched out as soon as possible if you find it to be faulty.
Important clues of a laboring safety furnace door switch
- The furnace will not begin whether the door is off or on
- The door mechanism seems fallen off
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