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International Comfort Products H9MPD075F12B1 Defrost Sensor Board
The defrost control board commences the defrost sequence in order to get rid of the frost that collects on the outdoor unit. The control board looks to a temperature sensor located in the outdoor unit to make the decision on when to begin.
General warnings of a worsening International Comfort Products defrost sensor board
- The defrost sequence never initiates despite that there is a large amount frost built up
- The primary control board may throw a particular error code produced when the defrost board is bad
- Most systems will not work for the simple fact of the fact that there is too much frost
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