Trung N Fargo , ND January 24, 2017 Appliance: General Electric Refrigerator GSS23WSTASS Ge Refrigerator Gss23wstass: Refrigerator no cool main control board not working. How to replace Refrigerator Main Control Board. I got view tutorials on youtube. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes