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Samsung AVMBH020CA0 Furnace Door Switch
The furnace door switch is a safety switch which stops the draft inducer and burner from activating so as to avoid injuries. Do not try to fix it, just have it replaced promptly if it is causing you problems.
Chief elements of a weak switch on the furnace door
- The furnace door switch looks like it is broken
- The HVAC system will not start whether the door is off or on
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