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HOME > HVAC > CARRIER > 38BYC042 > DEFROST SENSOR BOARD

Carrier 38BYC042 Defrost Sensor Board

The defrost sensor control board determines when or if to start the defrost cycle if necessary, to rid your unit of frost that can build up. It depends on a specific sensor located in the outdoor unit to make the decision on when to begin.

Major indications of a poorly working outdoor defrost sensor board

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Check eBay to see if your defrost sensor board is in stock!
If you decide on picking up or purchasing a new Carrier 38BYC042 replacement part, do your due diligence and cross-check the model number and also make a visual inspection in order to be sure the right defrost sensor board is being ordered. You do not need to replace the part all by yourself. Hire someone with experience in your town or city to do the job for you.
Feel free to download your manual for help.
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Check eBay for your defrost sensor board!