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International Comfort Products C9MPD100J20A1 Defrost Sensor Board
The defrost control board will begin the defrost cycle which aids to remove frost build-up that may accumulate. The defrost sensor board looks to a sensor located in the outdoor unit to agree when the defrost cycle should begin.
Subtle cues of a poorly working defrost board
- Defrosting does not run even though there is a lot of frost that has built up
- The whole system may not work due to the fact of the amount of frost on the outdoor unit
- The primary control board may issue an error code if the defrost board goes out
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