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Payne PY2PNB048130AA Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrost sequence if necessary, to keep the outdoor unit free from frost build-up. The defrost sensor board looks to a sensor that can be found near the condenser, in order to agree when to initiate the defrosting cycle.
Major clues of a weakening Payne defrost sensor board
- The main board may issue a specific error code produced by a failing defrost board
- Defrost session does not run despite the fact that there is a lot of frost that makes the unit run like crap
- The whole system may stop operating for the simple fact of way too much frost build-up
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