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Lennox G40UH Defrost Sensor Board
The defrost sensor control board will begin the defrost sequence in order to remove frost build-up that may accumulate. The defrost board relies on a defrost sensor that can be found near the condenser, in order to verify when the defrost cycle should begin.
Warnings the AC defrost sensor board will need replacing
- Defrost session has not run for quite some time despite that there is a large amount frost that makes the unit run like crap
- The main board could throw a particular error code if the defrost control board fails
- Your system could stop working at all because of too much frost
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If you are going to be buying or ordering any Lennox G40UH replacement part do your best and double check the correct model as well as make a visual comparison in order to be sure the right defrost sensor board is being ordered. There is no need to install it yourself. Pay a professional locally to do the job for you.
Feel free to download your manual for help.
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