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International Comfort Products C9MPD100J14B1 Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrosting phase which helps to continue normal heating and cooling operations. The defrost board looks to a defrost sensor located near the condenser to make the decision on when the defrost cycle should begin.
How do you know when your defrost sensor board has to be replaced?
- The defrost sequence never initiates especially when there is frost that has built up
- The AC may cease to function for the simple fact of frost blocking the fins on the outside unit
- Your main control board may throw an error of some type when a defrost board fails to initialize
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