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Lennox G40UH-60D-135 Defrost Sensor Board
The defrost sensor board will begin the defrosting phase which may be necessary to remove frost build-up that may accumulate. The control board relies on a sensor located near the condenser to determine when to begin.
What red flags are there that my defrost sensor board is about to stop working?
- The main circuit board could signify an error code if the defrost control board fails
- Defrost session will not kick in even though there is quite a bit frost on the outdoor unit
- AC and heating system could not run due to the frost blocking the flow of air
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If you decide on picking up or ordering any Lennox G40UH-60D-135 part, do your due diligence and cross-check the model number as well as make a visual inspection so that you are positive that the correct replacement defrost sensor board is the one being purchased. Installation of a new defrost sensor board is not difficult provided you have the know-how and have the tools to get it done.
Feel free to download your manual for help.
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