Francisco R Bayonne , NJ November 18, 2019 Appliance: Maytag Refrigerator ABB1922FEQ11 Maytag Refrigerator Abb1922feq11: Top of frig was too warm bottom was cold. How to replace Refrigerator Electronic Control Board. I purchased the electronic control board as this site mentioned it was the cause of the problem 27% of the time. Installation was a snap with the video guide. Now let's see if this was the culprit or if I need to replace additional items. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes