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International Comfort Products N8MPN125J20B1 Defrost Sensor Board
The defrost sensor board will begin an important defrosting cycle which may be needed in order to keep the outdoor unit free from frost build-up. The control board depends on a specific sensor which is near the condenser somewhere, in order to determine when to initiate the defrosting cycle.
Symptoms of an ineffective AC defrost sensor board
- The control board may issue an error signal produced by a bad defrost control board
- The defrost feature has not run for a while despite the fact that there is a lot of frost built up
- The whole system may not work because of the frost blocking the flow of air
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