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Lennox CB28UH-030 Defrost Sensor Board
The defrost control board instructs the outdoor unit to begin the defrost cycle which may be needed in order to continue normal heating and cooling operations. The control board relies on a specific sensor located somewhere by the condenser to make the decision on when to initiate the defrosting cycle.
Important signs your Lennox defrost sensor board has little life left
- Unit defrost session never kicks in despite the fact that there is a lot of frost on the outdoor unit
- Your system could stop functioning due to the fact of the fact that there is too much frost
- The control board may throw an alphanumeric error code produced by a failing defrost board
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If you are going to be buying or ordering a new Lennox CB28UH-030 replacement part do your best and double check the model number and also make a visual inspection in order to be sure the correct replacement defrost sensor board is the one being purchased. Replacing the defrost sensor board is a breeze assuming you possess the knowledge and have the proper tools to get it done.
Feel free to download your manual for help.
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