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Payne PH3ZNA030000AA Defrost Sensor Board
The defrost control board determines when to initiate the defrosting phase which assists to continue normal heating and cooling operations. The defrost sensor board relies on a specific sensor located somewhere by the condenser to agree when to begin.
Signs of an unhealthy defrost sensor board
- The whole system may not run because of the fact that there is too much frost
- The primary control board could throw a particular error code produced when the defrost board is bad
- Unit defrost session refuses to initiate despite that there is a large amount frost on the external unit
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Before you decide on buying or ordering any Payne PH3ZNA030000AA replacement part do your best and make sure of the correct model as well as make a visual comparison so that you are positive that the correct defrost sensor board is the one being purchased. There is no need to install it yourself. Look for a professional locally to do the job for you.
Feel free to download your manual for help.
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