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Carrier 48XP042090300 Defrost Sensor Board
The defrost control board determines when to initiate the defrost cycle which helps to keep the outdoor unit free from frost build-up. The defrost sensor board depends on a temperature sensor located near the condenser to decide when the defrost cycle should begin.
Simple signals your outdoor defrost sensor board is in dire straights
- The control board may show a particular error code when a defrost board fails to initialize
- The defrost feature never kicks in especially when there is a rather large amount of frost on the unit
- The HVAC system could stop running at all because of the safety features installed
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If you decide on picking up or ordering, do your due diligence and make sure of the model number and also 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 the replacement part alone. Locate a pro in your town or city to do the job for you.
Feel free to download your manual for help.
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