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International Comfort Products H8MPN150J20A1 Defrost Sensor Board
The defrost sensor board controls if and when to commence the defrost sequence in order to defrost your outdoor unit. The defrost board depends on a temperature sensor located somewhere by the condenser to make the decision on when to begin.
Key clues of a deteriorating AC defrost sensor board
- The whole system may stop functioning due in part to the frost blocking the flow of air
- The defrost feature refuses to initiate despite the fact that there is quite a bit frost that needs to be removed
- The main board could throw an error code when the defrost board fails
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