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Lennox Elite Series Defrost Sensor Board
The defrost sensor control board instructs the system to activate the defrost sequence if necessary, to keep the outdoor unit free from frost build-up. The defrost sensor board depends on a temperature sensor located in the outdoor unit to determine when to begin.
Clues to watch for to know the defrost sensor board needs replacing
- The main circuit board could signify a type of error code produced by too much frost
- The defrost feature never initiates even when there is a large quantity of frost in the way
- The AC may not operate due in part to too much frost
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Before you decide on buying or purchasing a new Lennox Elite Series replacement part, do your due diligence and cross-check the correct model and also make a visual inspection in order to be sure the right defrost sensor board is being ordered. You do not need to replace the part all by yourself. Pay a professional in your community to replace the part.
Feel free to download your manual for help.
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