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Lennox CB29M-31 Defrost Sensor Board
The defrost control board instructs the system to activate an important defrosting cycle which aids to keep the outdoor unit free from frost build-up. The board is relayed information from a specific sensor which is near the condenser somewhere, in order to verify when the defrost cycle should begin.
What are the clues to watch out for to know my outdoor defrost sensor board is not working right?
- Defrosting has not run for a while even though there is quite a bit frost on the outdoor unit
- Your system could stop working at all because of the frost blocking the flow of air
- The main circuit board could signify an alphanumeric error code if the defrost board goes out
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Before buying or purchasing a replacement defrost sensor board for your Lennox CB29M-31 do your best and make sure of the correct model as well as make a visual inspection in order to be sure the proper replacement defrost sensor board is being ordered. Once you have the part to install it yourself. Pay a professional in your town or city to hire and install the part for you.
Feel free to download your manual for help.
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