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Lennox 13ACD-024 Defrost Sensor Board
The defrost sensor board initiates the defrost cycle if necessary, to defrost your outdoor unit. The board relies on a specific sensor which is near the condenser somewhere, in order to determine when to initiate the defrosting cycle.
What are some hints that my Lennox defrost sensor board has a need to be replaced?
- The HVAC system could stop running at all because of frost blocking the fins on the outside unit
- The control board may issue an alphanumeric error code produced by too much frost
- The defrost sequence does not begin especially when there is a rather large amount of frost on the external unit
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Before you decide on buying or ordering, do your due diligence and make sure of the correct model as well as make a visual comparison in order to be sure the correct defrost sensor board is being ordered. You do not need to replace the part all by yourself. Look for a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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