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Carrier 39E Defrost Sensor Board
The defrost sensor board instructs the system to activate the defrost cycle which helps to defrost your outdoor unit. The defrost sensor board is relayed information from a sensor that can be found near the condenser, in order to determine when to initiate the defrosting cycle.
Red flags of a faulty defrost sensor board
- AC and heating system could not operate for the fact of the frost issue
- Your main control board may throw an error signal referring to a failing defrost control board
- Defrosting refuses to initiate despite that there is a large amount frost on the external unit
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Before you decide on buying or purchasing a replacement defrost sensor board for your Carrier 39E do your best and make sure of the correct model as well as make a visual inspection so that you are positive that the right defrost sensor board is being ordered. You do not have to install the part by yourself. Look for a professional in your community to do it for you.
Feel free to download your manual for help.
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