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International Comfort Products PAPA36GA1 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin an important defrosting cycle which actually helps to keep your outdoor unit from plugging up. It is relayed information from a defrost sensor located in the outdoor unit to make the decision on when to initiate the defrosting cycle.
Simple indications to watch for in a failing AC defrost sensor board
- Unit defrost session never initiates even though there is quite a bit frost that has built up
- The AC may cease to function for the simple fact of the safety issue that the frost poses
- The main circuit board could display an error signal when the defrost control board refuses to initialize properly
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