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International Comfort Products H8MPN100J20B1 Defrost Sensor Board
The defrost sensor control board will begin an important defrosting cycle which may be necessary to defrost your outdoor unit. The board relies on a temperature sensor which is near the condenser somewhere, in order to verify when to begin.
Signals your defrost board is in dire straights
- Most systems will cease to operate for the simple fact of the frost issue
- The defrost sequence never kicks in even though there is a large amount of frost on the external unit
- The control board could signify a specific error code when the defrost board fails
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