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International Comfort Products N8MPL100J22A1 Defrost Sensor Board
The defrost control board initiates the defrost cycle which aids to keep your outdoor unit from plugging up. The defrost sensor board is relayed information from a temperature sensor located somewhere by the condenser to decide when to initiate the defrosting cycle.
Signs the AC defrost sensor board will soon need to be replaced
- Unit defrost session has not run for quite some time especially when there is a rather large amount of frost on the unit
- The whole system may cease to operate for the simple fact of frost blocking the airflow outside
- The control board might issue an error signal when encountering a problem
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