Ronald S Windermere , FL July 25, 2014 Appliance: General Electric Refrigerator PSS25NGMDBB Ge Refrigerator Pss25ngmdbb: Ge arctica was running but not cooling both freezer and refrigerator sides. How to replace Board Asm Main Control. Pulled out old main control board, found a burnt mark on the back of circuit board indicating it was fried. Ordered a new main control board frm appliancepartspro, received in 2 days, 5 minutes to install and now refrigerator works like new. 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes