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Carrier 38YDB036 Defrost Sensor Board
The defrost control board determines when or if to start the defrosting phase in order to continue normal heating and cooling operations. It depends on a specific sensor that can be found near the condenser, in order to agree when to initiate the defrosting cycle.
Some clues of a bad AC defrost sensor board
- Self defrost sequence will not kick in especially when there is a rather large amount of frost on the outdoor unit
- The HVAC system control board may throw a particular error code produced when the defrost board is bad
- AC and heating system could not run for the fact of frost blocking the fins on the outside unit
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If you are going to be buying or ordering a replacement defrost sensor board for your Carrier 38YDB036 do your best and cross-check the model number and also make a visual comparison so that you are positive that the correct defrost sensor board is being ordered. Replacing the defrost sensor board can be quite easy assuming you have the time and have the tools to get it done.
Feel free to download your manual for help.
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