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Carrier 58MXB040F10108 Defrost Sensor Board
The defrost control board instructs the system to activate the defrosting phase which may be needed in order to keep the outdoor unit free from frost build-up. The control board relies on a specific sensor which is near the condenser somewhere, in order to determine when to begin.
Major indications your Carrier defrost sensor board should need replacing
- The defrost feature never runs even though there is excessive frost on the external unit
- The main circuit board could throw an alphanumeric error code when the defrost board fails
- The AC may stop running for the simple fact of frost blocking the fins on the outside unit
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Before you decide on buying or ordering, do your due diligence and double check the model number as well as make a visual comparison in order to be sure the correct replacement defrost sensor board is the one being purchased. Replacing the defrost sensor board is a piece of cake assuming you possess the knowledge and have the tools to get it done.
Feel free to download your manual for help.
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