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Carrier 48HJF012 Defrost Sensor Board
The defrost control board controls if and when to commence the defrost cycle which actually helps to rid your unit of frost that can build up. The control board relies on a defrost sensor located somewhere by the condenser to determine when the defrost cycle should begin.
Major warnings your Carrier defrost sensor board is dying
- The defrost sequence never starts especially when there is a rather large amount of frost built up
- AC and heating system could stop operating due to the fact of the safety features installed
- The main circuit board could display an error code when the defrost control board refuses to initialize properly
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