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Samsung AVMDH052EA0 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the blower and other risky devices from starting so as to avoid injuries. Do not try to fix it, just have it changed as quick as you can if it is defective in some way or another.
Key clues poorly running safety switch on the furnace door
- The whole system will not start even when you close the door
- The door mechanism appears as though it has been eroded
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