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Carrier 38E Defrost Sensor Board
The defrost sensor board initiates the defrost sequence which actually helps to rid your unit of frost that can build up. The board is relayed information from a specific sensor located in the outdoor unit to make the decision on when to initiate the defrosting cycle.
Signs the AC defrost sensor board will have to be replaced
- Defrost session will not initiate even though there is a lot of frost built up
- The AC may end up not running for the simple fact of frost blocking the airflow outside
- The main circuit board might give out a particular error code referring to the failed defrost sequence
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If you are going to be buying or ordering do your best and make sure of the correct model as well as make a visual inspection in order to be sure the correct defrost sensor board is the one being purchased. You do not need to install the replacement part alone. Consult with a professional in your community to replace the part.
Feel free to download your manual for help.
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