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Frigidaire FRS09PYW10 Defrost Sensor Board
The defrost sensor control board determines when to initiate an important defrosting cycle in order to keep your outdoor unit from plugging up. The defrost board looks to a sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
Major indications your outdoor defrost sensor board needs a replacement ASAP
- Air conditioning may not work due to the fact of the frost blocking the flow of air
- Defrost mode does not run even though there is a lot of frost on the external unit
- The main board could signify a type of error code when the defrost control board refuses to initialize properly
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