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Payne PY1PNB024040AAAA Defrost Sensor Board
The defrost sensor board will determine when to initiate an important defrosting cycle which actually helps to get rid of the frost that collects on the outdoor unit. The defrost board relies on a sensor located in the outdoor unit to agree when to begin.
Key symptoms of a failing Payne defrost sensor board
- Your main control board might give out an error signal if the defrost board fails
- Unit defrost session refuses to initiate despite the fact that there is quite a bit frost built up
- AC and heating system could cease to function for the simple fact of frost blocking the airflow outside
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