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Haier CPN10XHJ Defrost Sensor Board
The defrost sensor board will determine when to initiate the defrost cycle if necessary, to remove frost build-up that may accumulate. The board looks to a defrost sensor located in the outdoor unit to decide when the defrost cycle should begin.
Key indicators that my defrost board needs replacing?
- Your main control board might issue an error signal when encountering a problem
- Unit defrost session never runs despite the fact that there is quite a bit frost that needs to be removed
- Your HVAC system will not work due to too much frost
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