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Payne PA10JA048000AA Defrost Sensor Board
The defrost sensor board instructs the outdoor unit to begin the defrost sequence which may be necessary to defrost your outdoor unit. The defrost board is influenced by a sensor located in the outdoor unit to make the decision on when the defrost cycle should begin.
Major clues your Payne defrost sensor board is failing
- Defrost mode has not run for quite some time despite that there is a large amount frost on the external unit
- Most systems will stop running for the fact of lack of airflow through the outdoor unit
- Your main control board might give out a type of error code if the defrost board goes out
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