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International Comfort Products HHP224AKA1 Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost cycle if necessary, to remove frost build-up that may accumulate. The control board looks to a specific sensor located in the outdoor unit to verify when to begin.
Some clues of a weakening International Comfort Products defrost sensor board
- The main board may show a type of error code when the defrost board fails
- The defrost feature does not begin especially when there is frost on the external unit
- Most systems will stop operating due in part to the amount of frost on the outdoor unit
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