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Carrier 50XL-A42 Defrost Sensor Board
The defrost control board controls when to launch the defrost cycle which actually helps to keep your outdoor unit from plugging up. The control board is influenced by a sensor located in the outdoor unit to make the decision on when the defrost cycle should begin.
Major indications to watch for in a bad outdoor defrost sensor board
- The main control board could display a particular error code when encountering a problem
- Defrost session never initiates even though there is excessive frost in the way
- The system will stop functioning due to the amount of frost on the outdoor unit
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If you decide on picking up or purchasing a replacement defrost sensor board for your Carrier 50XL-A42, do your due diligence and double check the model number and also make a visual inspection so that you are positive that the correct replacement defrost sensor board is the one being purchased. Safety is always important when you replace or install any part of a heating or cooling system. If you are in doubt about anything call a pro. Don't be sorry. Be safe.
Feel free to download your manual for help.
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