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International Comfort Products C9MPD080J16A2 Defrost Sensor Board
The defrost sensor control board instructs the system to activate an important defrosting cycle which may be needed in order to remove frost build-up that may accumulate. The board depends on a specific sensor located near the condenser to agree when to initiate the defrosting cycle.
Major clues of a deteriorating defrost sensor board
- Defrost mode never initiates even though there is a lot of frost on the external unit
- The AC may not work at all because of the amount of frost on the outdoor unit
- The main control board may issue an error of some type produced when the defrost board is bad
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