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Carrier 48XP048090300 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin an important defrosting cycle which may be needed in order to rid your unit of frost that can build up. It is relayed information from a specific sensor located in the outdoor unit to determine when the defrost cycle should begin.
What are the signs that the defrost board is about to go out?
- The main circuit board might issue a particular error code when encountering a problem
- The AC may not operate due to the fact of frost blocking the airflow outside
- Defrost mode has not run for a while especially when there is frost built up
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