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Lennox 14ACX-018 Defrost Sensor Board
The defrost sensor control board determines when to initiate an important defrosting cycle which assists to keep the outdoor unit free from frost build-up. The control board relies on a defrost sensor located in the outdoor unit to decide when to begin.
Key clues of a poorly performing defrost board
- Your system could cease to function because of lack of airflow through the outdoor unit
- The defrost sequence refuses to run especially when there is frost that has built up
- The control board may throw an error number when a defrost board fails to initialize
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If you are going to be buying or purchasing a new Lennox 14ACX-018 replacement part, do your due diligence and double check the model number and also make a visual inspection in order to be sure the correct replacement defrost sensor board is the one being purchased. If you are not sure about the correct way of installing the defrost sensor board by yourself then it is probably best to consult a pro to do the replacement of the part.
Feel free to download your manual for help.
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