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Payne PA1ZNA036000AAAA Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrost sequence which aids to rid your unit of frost that can build up. The control board depends on a sensor located in the outdoor unit to decide when to begin.
Major signs your Payne defrost sensor board is going out
- The AC may stop running at all because of too much frost
- The main control board might issue a specific error code produced when the defrost control board fails to receive a signal
- Defrost mode does not begin even though there is a lot of frost that has built up
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