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Carrier 38EYG048 Furnace Door Switch
The furnace door switch is a safety switch which blocks the fan and ignition sequence being triggered to start so as to stop a potential explosion. You should really have it changed swiftly if it is not working in order to prevent injuries.
Subtle hints the switch on your furnace door is not going to last much longer
- The safety door switch seems to be removed
- The system will not start whether the door is off or on
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