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Payne PA1ZNA042000AAAA Defrost Sensor Board
The defrost control board determines when or if to start the defrost cycle if necessary, to keep the outdoor unit free from frost build-up. The control board is relayed information from a defrost sensor located in the outdoor unit to ascertain when to begin.
Major indications of an inadequate defrost board
- Defrost mode does not run even though there is a large amount of frost on the outdoor unit
- Most systems will stop operating due to the fact of the frost blocking the flow of air
- The main board may issue an error of some type if the defrost board fails
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If you decide on picking up or purchasing a new Payne PA1ZNA042000AAAA replacement part do your best and make sure of the correct model as well as make a visual comparison in order to be sure the proper replacement defrost sensor board is the one being purchased. Replacing the defrost sensor board is a piece of cake if you know what you are doing and have the tools to get it done.
Feel free to download your manual for help.
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