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International Comfort Products PGMD42G1154 Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrost sequence which actually helps to continue normal heating and cooling operations. The defrost board depends on a sensor located somewhere by the condenser to determine when to initiate the defrosting cycle.
Clues your outdoor defrost sensor board will need replacing
- The HVAC system control board could signify a type of error code referring to a bad defrost board
- Air conditioning may not work due to the fact of frost blocking the airflow outside
- Defrost mode has not run for quite some time even though there is quite a bit frost built up
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