Gary H Phoenix , AZ December 26, 2022 Appliance: General Electric Refrigerator GSS20IETACC Ge Refrigerator Gss20ietacc: GE refrigerator not cold. How to replace Board Asm Main Control. We replaced the Main Control Board Asy. Watch the video. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes