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International Comfort Products H9MPD100J20C2 Defrost Sensor Board
The defrost control board controls if and when to commence the defrosting phase which actually helps to rid your unit of frost that can build up. The defrost board is influenced by a temperature sensor which is near the condenser somewhere, in order to agree when to initiate the defrosting cycle.
Symptoms the AC defrost sensor board is dying
- The HVAC system control board could display a specific error code when the defrost control board refuses to initialize properly
- Your system could not work due to lack of airflow through the outdoor unit
- The defrost feature has not run for a while despite the fact that there is a lot of frost that has built up
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