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International Comfort Products PAPA24GA1 Defrost Sensor Board
The defrost sensor control board will determine when to initiate an important defrosting cycle if necessary, to get rid of the frost that collects on the outdoor unit. The defrost sensor board depends on a temperature sensor located near the condenser to make the decision on when the defrost cycle should begin.
Warnings of a poorly performing AC defrost sensor board
- Air conditioning may not operate due to the frost blocking the flow of air
- The defrost feature refuses to initiate even though there is a large amount of frost on the unit
- The main circuit board could throw an error signal produced by a bad defrost control board
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