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International Comfort Products CHP024AKA1 Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrost sequence which assists to keep the outdoor unit free from frost build-up. The board is influenced by a sensor located in the outdoor unit to determine when the defrost cycle should begin.
Cues of a weakening AC defrost sensor board
- Your system could not run due to the fact of lack of airflow through the outdoor unit
- Your main control board may signify an error of some type if the defrost control board fails
- The defrost sequence never kicks in especially when there is frost that has built up
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