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Carrier 48GP036090300 Defrost Sensor Board
The defrost sensor board determines when to initiate the defrost sequence which may be needed in order to keep your outdoor unit from plugging up. The control board depends on a defrost sensor located in the outdoor unit to make the decision on when to initiate the defrosting cycle.
Main clues your outdoor defrost sensor board will need to be replaced
- The HVAC system control board could throw an error code produced when the defrost control board fails to receive a signal
- Defrosting never initiates even though there is a lot of frost that needs to be removed
- Your system could not run due to the fact of frost blocking the airflow outside
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