Hi,Welcome to Just Answer, My name isXXXXX will be helping you with your appliance issue today.
this is a relay board issue, it will need to be replaced, you cant reset these. this controls all funtions , fans, controls, defrost, everything. I believe this refrigerators built in is that correct? The board is located in the rear of the refrigerator near the compressor this means refrigerator would have to come out to replace it, part number 11 on this diagram, the part number is
http://www.searspartsdirect.com/partsdirect/part-number/Kitchenaid-Parts/Refrigerator-Parts/2307028/0046/106/Model-KSSC 42QMS01/0593/0165000?keySuffixId=NA&productTypeId=x&searchModelNumber=KSSC42QMS01&subCompDesc=Upper%20unit%20parts&brandDesc=KITCHENAID&modelDesc=BUILT-IN-REFRIGERATOR&blt=11 thanks and well wishes, Bryan