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Payne PY1PNB024060AAAA Defrost Sensor Board
The defrost sensor board is jobbed with determining when to begin the defrost sequence which assists to continue normal heating and cooling operations. The board relies on a sensor located in the outdoor unit to agree when the defrost cycle should begin.
Hints the AC defrost sensor board is dying
- Air conditioning may not operate due in part to the safety issue that the frost poses
- Defrosting has not run for quite some time especially when there is frost that has built up
- The primary control board may issue an error number referring to a bad defrost board
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