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Carrier 48GP048090300 Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrost sequence which aids to get rid of the frost that collects on the outdoor unit. The defrost sensor board relies on a sensor which is near the condenser somewhere, in order to determine when the defrost cycle should begin.
What warnings are present when my Carrier defrost sensor board is about to go out?
- The AC may stop running for the simple fact of frost blocking the airflow outside
- The main control board could throw an error signal referring to a failing defrost control board
- Defrosting has not run for a while even though there is a large amount of frost on the outdoor unit
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