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Carrier FX4BNB060000AAAA Defrost Sensor Board
The defrost sensor control board determines when or if to start the defrost sequence which may be necessary to remove frost build-up that may accumulate. The board depends on a specific sensor located in the outdoor unit to verify when the defrost cycle should begin.
Red flags the AC defrost sensor board needs a replacement ASAP
- Defrost session never initiates especially when there is frost in the way
- The system will stop functioning for the simple fact of frost blocking the fins on the outside unit
- The main circuit board could signify a specific error code produced when the defrost control board fails to receive a signal
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If you decide on picking up or purchasing a new Carrier FX4BNB060000AAAA replacement part do your best and make sure of the model number as well as make a visual comparison so that you are positive that the right defrost sensor board is the one being purchased. If you are not sure about the correct way of installing the new defrost sensor board on your own then it would be in your best interest to contact a professional to do the replacement of the part.
Feel free to download your manual for help.
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