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Carrier 48SS Defrost Sensor Board
The defrost control board commences the defrosting phase which may be necessary to keep the outdoor unit free from frost build-up. The defrost sensor board looks to a temperature sensor located in the outdoor unit to make the decision on when to begin.
Warnings your Carrier defrost sensor board will not live much longer
- Air conditioning may cease to function due in part to frost blocking the airflow outside
- Defrost mode never starts despite the fact that there is a lot of frost in the way
- The main control board may show an alphanumeric error code referring to a bad defrost board
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If you decide on picking up or purchasing a replacement defrost sensor board for your Carrier 48SS do your best and cross-check the model number and also make a visual inspection in order to be sure the right defrost sensor board is the one being purchased. Some pros can be expensive so it may be beneficial to look around your area to find a good deal if you do not want to pay too much.
Feel free to download your manual for help.
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