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Lennox G40DF-36A-045 Defrost Sensor Board
The defrost sensor control board controls when to launch the defrost cycle which actually helps to keep the outdoor unit free from frost build-up. The control board depends on a specific sensor located near the condenser to determine when to begin.
Clues to watch for to know the AC defrost sensor board is dead
- Air conditioning may stop running due to the frost issue
- The defrost feature never kicks in even though there is a lot of frost that has built up
- The control board may issue an alphanumeric error code if the defrost board goes out
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If you decide on picking up or ordering a new Lennox G40DF-36A-045 replacement part, do your due diligence and double check the model number and also make a visual comparison so that you are positive that the correct defrost sensor board is being ordered. If you are not sure about the properly replacing the defrost sensor board on your own then it would be in your best interest to consult a pro to do the replacement of the part.
Feel free to download your manual for help.
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