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Payne PA10JA024000AA Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost sequence which may be needed in order to remove frost build-up that may accumulate. The defrost board is relayed information from a specific sensor located in the outdoor unit to ascertain when the defrost cycle should begin.
Major symptoms the AC defrost sensor board is on its last leg
- Self defrost sequence never kicks in despite that there is a large amount frost on the unit
- AC and heating system could stop operating due to the fact of the amount of frost on the outdoor unit
- The main control board might issue an error signal when the defrost board fails
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