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Lennox G40UH-24A-045 Defrost Sensor Board
The defrost control board determines when or if to start the defrost cycle which assists to remove frost build-up that may accumulate. The control board looks to a specific sensor that can be found near the condenser, in order to verify when the defrost cycle should begin.
Simple indications to watch for in a failing defrost sensor board
- Your system could cease to function for the simple fact of frost blocking the airflow outside
- The HVAC system control board may issue an error code when the defrost board fails
- Unit defrost session never kicks in especially when there is frost on the unit
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Before buying or purchasing, do your due diligence and double check the correct model as well as make a visual inspection so that you are positive that the proper replacement defrost sensor board is being ordered. There is no need to install the part by yourself. Pay a professional in your town or city to do it for you.
Feel free to download your manual for help.
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