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Whirlpool ATR0743SPP0 Defrost Sensor Board
The defrost sensor control board is jobbed with determining when to begin the defrost cycle which helps to keep your outdoor unit from plugging up. It is influenced by a defrost sensor that can be found near the condenser, in order to ascertain when the defrost cycle should begin.
Major symptoms poorly running defrost sensor board
- Your main control board could throw an error code when a defrost board fails to initialize
- Defrosting refuses to initiate despite the fact that there is quite a bit frost on the external unit
- AC and heating system could not run due in part to the safety issue that the frost poses
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Before you decide on buying or ordering, do your due diligence and cross-check the correct model as well as make a visual inspection in order to be sure the right defrost sensor board is the one being purchased. There is no rule that says you have to install it yourself. Locate a pro in your community to replace the part.
Feel free to download your manual for help.
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