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Carrier FE5A Furnace Door Switch
A furnace door switch is a safety feature that inhibits the draft inducer and ignition sequence being triggered to start in order to prevent injury and fire. It is vital that this part be substituted for a new part quickly if you suspect that it is not working.
Indications the switch on your furnace door is dying
- The whole system will not fire up whether the door is open or closed
- The safety door switch seems chipped
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