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Payne PH3ZNA048000AA Defrost Sensor Board
The defrost sensor control board determines when to initiate the defrost cycle which may be necessary to rid your unit of frost that can build up. The defrost board is influenced by a sensor that can be found near the condenser, in order to determine when to initiate the defrosting cycle.
Some warnings of a failing outdoor defrost sensor board
- The AC may not run due to the fact of the frost blocking the flow of air
- Self defrost sequence has not run for a while despite the fact that there is a lot of frost on the external unit
- Your main control board may signify an alphanumeric error code referring to a failing defrost control board
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Before buying or purchasing, do your due diligence and make sure of the correct model as well as make a visual inspection so that you are positive that the correct replacement defrost sensor board is the one being purchased. You do not need to install it yourself. Locate a pro in your community to do it for you.
Feel free to download your manual for help.
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