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International Comfort Products H8MPN100F20B1 Defrost Sensor Board
The defrost sensor control board determines when to initiate an important defrosting cycle which aids to keep your outdoor unit from plugging up. The control board relies on a sensor located in the outdoor unit to agree when to initiate the defrosting cycle.
Major clues the defrost sensor board is dead
- Air conditioning may not operate for the simple fact of too much frost
- Self defrost sequence never starts even when there is a large quantity of frost in the way
- The control board may issue a type of error code referring to a bad defrost board
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