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International Comfort Products N9MP2080F16C2 Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost sequence which may be necessary to get rid of the frost that collects on the outdoor unit. The control board is relayed information from a specific sensor which is near the condenser somewhere, in order to agree when the defrost cycle should begin.
Main clues the AC defrost sensor board is failing
- Air conditioning may cease to operate because of frost blocking the airflow outside
- Unit defrost session will not kick in despite the fact that there is quite a bit frost on the outdoor unit
- Your main control board might issue an error number when encountering a problem
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