The Whirlpool W10789107 Main Control Board Core is used to control the entire functionality of the refrigerator cooling system. It controls the functions, including the temperature and defrost cycles, and the compressor receives information from numerous sensors and keeps cooling and energy levels constant and contributes to the preservation of food. https://www.hnkparts.com/w10789107-whirlpool-cntrl-elec-core-refrig