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LG ARNU363TNC2 Defrost Sensor Board
The defrost sensor control board will begin an important defrosting cycle which may be needed in order to keep the outdoor unit free from frost build-up. The control board relies on a sensor located in the outdoor unit to ascertain when to initiate the defrosting cycle.
Elements of a weakening AC defrost sensor board
- Defrost mode will not kick in even though there is a lot of frost in the way
- Your HVAC system will end up not running at all because of the frost issue
- The main control board may issue an error code produced by a failing defrost board
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