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International Comfort Products PGME42G0904 Defrost Sensor Board
The defrost sensor board determines when to initiate the defrost sequence which actually helps to keep your outdoor unit from plugging up. The defrost sensor board is relayed information from a temperature sensor located somewhere by the condenser to ascertain when to initiate the defrosting cycle.
Major warnings of an inadequate defrost board
- Defrost session will not initiate even though there is quite a bit frost on the unit
- The primary control board could signify a specific error code referring to a bad defrost board
- Your system could stop working for the fact of the amount of frost on the outdoor unit
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