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Carrier 58MXB100F10120 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost sequence which helps to rid your unit of frost that can build up. It is relayed information from a defrost sensor located near the condenser to decide when the defrost cycle should begin.
Warnings of a weak outdoor defrost sensor board
- Unit defrost session never kicks in despite the fact that there is a lot of frost built up
- The main board might give out an error number produced when the defrost board is bad
- The AC may stop functioning for the simple fact of frost blocking the airflow outside
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