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Carrier FX4BNF018000AAAA Defrost Sensor Board
The defrost sensor control board commences an important defrosting cycle which may be necessary to remove frost build-up that may accumulate. The control board is influenced by a sensor located in the outdoor unit to determine when to begin.
Chief elements of a barely functioning AC defrost sensor board
- Your HVAC system will not operate due in part to the amount of frost on the outdoor unit
- The main control board may issue an error number produced by a bad defrost control board
- Defrost session has not run for a while despite the fact that there is quite a bit frost built up
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If you are going to be buying or ordering a new Carrier FX4BNF018000AAAA replacement part do your best and double check the model number and also make a visual inspection so that you are positive that the correct replacement defrost sensor board is the one being purchased. There is no need to replace the part all by yourself. Look for a professional in your town or city to do it for you.
Feel free to download your manual for help.
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