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Samsung AP500PF Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and other risky devices from turning on so as to stop a potential explosion. Do not waste time and have it traded for new one as quick as you can if you suspect that it is not working.
Subtle cues of a dying switch on the furnace door
- The whole system will not even begin to start even with the door closed
- The door mechanism seems worn
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