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International Comfort Products PGMD48G1356 Defrost Sensor Board
The defrost control board determines when or if to start the defrosting phase if necessary, to rid your unit of frost that can build up. The control board is influenced by a defrost sensor located somewhere by the condenser to decide when to initiate the defrosting cycle.
General indicators that your your outdoor defrost sensor board is dying
- The defrost sequence does not begin even though there is a large amount of frost on the external unit
- Your main control board may show an error signal if the defrost board goes out
- The system may stop running due to the fact of too much frost
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