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LG ARNU093SER2 Defrost Sensor Board
The defrost control board initiates the defrosting phase in order to rid your unit of frost that can build up. It is influenced by a specific sensor located in the outdoor unit to make the decision on when to begin.
Major indications of a barely functioning LG defrost sensor board
- The HVAC system control board could throw a specific error code referring to the failed defrost sequence
- The defrost feature refuses to initiate even though there is a large amount of frost built up
- The system will end up not running at all because of too much frost
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