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Samsung AVMDC052CA0 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the blower and ignitor from switching on in order to prevent injury and fire. Do not try to fix it, just have it traded for new one quickly if you suspect that it is not working.
Easy warnings to watch for in a bad furnace door switch
- The whole system does not function with the door closed
- The switch appears as though it has been broken completely
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