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Lennox G40DF-24A-045X Defrost Sensor Board
The defrost sensor control board controls if and when to commence the defrosting phase which assists to keep the outdoor unit free from frost build-up. The defrost sensor board looks to a defrost sensor located somewhere by the condenser to verify when to initiate the defrosting cycle.
What are some hints that my defrost sensor board is crapping out?
- The main control board might give out an alphanumeric error code if the defrost board goes out
- The defrost sequence never starts despite the fact that there is a lot of frost on the external unit
- Your HVAC system will cease to function due in part to frost blocking the fins on the outside unit
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If you decide on picking up or purchasing any Lennox G40DF-24A-045X part, do your due diligence and cross-check the correct model as well as make a visual inspection so that you are positive that the proper replacement defrost sensor board is the one being purchased. Installation of a new defrost sensor board is not difficult provided you energy and have the proper tools to do it right.
Feel free to download your manual for help.
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