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Carrier 58MTB120F10120 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrosting phase which may be necessary to defrost your outdoor unit. The board relies on a defrost sensor that can be found near the condenser, in order to verify when to begin.
Red flags to watch for in a failing outdoor defrost sensor board
- The HVAC system could not work for the simple fact of the frost blocking the flow of air
- The HVAC system control board may show an alphanumeric error code when the defrost board fails
- Defrost mode does not run even though there is a large amount of frost that needs to be removed
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If you are going to be buying or ordering, do your due diligence and double check the model number as well as make a visual inspection so that you are positive that the proper replacement defrost sensor board is the one being purchased. You do not need to install the part by yourself. Look for a professional locally to hire and install the part for you.
Feel free to download your manual for help.
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