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Fujitsu AOU18RLXFZ Defrost Sensor Board
The defrost sensor control board will determine when to initiate the defrost sequence which assists to remove frost build-up that may accumulate. It relies on a defrost sensor located somewhere by the condenser to determine when the defrost cycle should begin.
Chief elements of a defective Fujitsu defrost sensor board
- The HVAC system could not operate due to frost blocking the airflow outside
- The control board may show an alphanumeric error code when the defrost control board refuses to initialize properly
- Defrost session will not kick in even when there is a large quantity of frost on the external unit
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Before you decide on buying or ordering any Fujitsu AOU18RLXFZ replacement part, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the correct defrost sensor board is being ordered. There is no need to install it yourself. Consult with a professional locally to replace the part.
Feel free to download your manual for help.
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