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Payne PG8JAA066135AAJA Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost cycle in order to defrost your outdoor unit. The board depends on a temperature sensor located in the outdoor unit to verify when to initiate the defrosting cycle.
General indicators that your your Payne defrost sensor board is on its last leg
- The system will cease to operate due in part to the frost blocking the flow of air
- Defrost mode refuses to run despite the fact that there is a lot of frost on the unit
- The primary control board may issue an error of some type produced by too much frost
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