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International Comfort Products PGMD Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrost sequence which may be necessary to defrost your outdoor unit. The control board is influenced by a sensor located somewhere by the condenser to determine when to initiate the defrosting cycle.
How do you know when your outdoor defrost sensor board is about to go out?
- Your system could stop operating due in part to frost blocking the airflow outside
- The HVAC system control board could display a particular error code when a defrost board fails to initialize
- Defrosting never starts despite the fact that there is quite a bit frost that has built up
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