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Carrier 38CKC048 Furnace Door Switch
The job of the furnace door switch stops the draft inducer and ignition sequence from starting so as to avoid injuries. You should really have it exchanged for a new one promptly if it is not working in order to prevent injuries.
How do you know if your safety switch on the furnace door is almost going bad?
- The system does not begin to work whether the door is off or on
- The door switch appears to be stuck
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