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LG ARUN160LT2 Furnace Door Switch
The furnace door switch is a safety switch which prevents initial fan and ignition sequence from starting so as to stop a potential explosion. It is extremely important that the device is replaced as soon as possible if it is causing you problems.
Main clues the safety door switch has little life left
- The door mechanism seems to be fallen off
- The system will not run even when you close the door
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