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International Comfort Products PGF036S100F Defrost Sensor Board
The defrost sensor control board determines when or if to start an important defrosting cycle if necessary, to keep the outdoor unit free from frost build-up. The defrost sensor board depends on a defrost sensor that can be found near the condenser, in order to agree when to begin.
Key symptoms of a dying outdoor defrost sensor board
- The main circuit board could throw a type of error code produced by a failing defrost board
- Air conditioning may stop operating due in part to the amount of frost on the outdoor unit
- Defrosting never begins even though there is a lot of frost that makes the unit run like crap
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