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Lennox G40DF Defrost Sensor Board
The defrost sensor control board initiates an important defrosting cycle in order to keep your outdoor unit from plugging up. The board is relayed information from a specific sensor located in the outdoor unit to determine when to initiate the defrosting cycle.
Major warnings your outdoor defrost sensor board is dead
- The defrost sequence never begins especially when there is a rather large amount of frost that needs to be removed
- AC and heating system could not work due to the fact of lack of airflow through the outdoor unit
- The main control board might issue a type of error code when the defrost control board refuses to initialize properly
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If you are going to be buying or purchasing a replacement defrost sensor board for your Lennox G40DF, do your due diligence and cross-check the correct model and also make a visual comparison in order to be sure the correct replacement defrost sensor board is the one being purchased. Replacing a new defrost sensor board can be quite easy if you possess the knowledge and have the tools to do it right.
Feel free to download your manual for help.
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