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Carrier 38MFQ012 Defrost Sensor Board
The defrost sensor control board controls when to launch an important defrosting cycle if necessary, to get rid of the frost that collects on the outdoor unit. The defrost board is influenced by a defrost sensor that can be found near the condenser, in order to agree when the defrost cycle should begin.
What red flags are there that my defrost sensor board is in need of a replacement?
- The main control board could display an error of some type produced by a failing defrost board
- Defrost session refuses to run even though there is a lot of frost on the external unit
- The whole system may stop functioning at all because of too much frost
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If you are going to be buying or purchasing do your best and cross-check the model number as well as 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 piece of cake if you possess the knowledge and have the proper tools to do it right.
Feel free to download your manual for help.
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