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Lennox CB28UH-024 Defrost Sensor Board
The defrost control board is jobbed with determining when to begin the defrosting phase which may be needed in order to continue normal heating and cooling operations. The defrost board is relayed information from a temperature sensor located in the outdoor unit to decide when to begin.
Warnings of a poorly working defrost board
- The defrost feature never starts despite that there is a large amount frost on the outdoor unit
- The primary control board might give out an error signal referring to a bad defrost board
- Most systems will not run due to the fact of the amount of frost on the outdoor unit
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Before you decide on buying or purchasing any Lennox CB28UH-024 part do your best and make sure of the model number as well as make a visual inspection so that you are positive that the correct defrost sensor board is being ordered. Once you have the part to install it yourself. Find a professional in your area to hire and install the part for you.
Feel free to download your manual for help.
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