Timothy K Albuquerque , NM September 11, 2018 Appliance: KitchenAid Refrigerator KBFS22EWMS9 Kitchenaid Refrigerator Kbfs22ewms9 / : Refrigerator was not cooling adequately while freezer was ok. How to replace Damper Control Assembly. After a little bit of online research I determined that the most likely cause was the damper. I ordered it and replaced it. That fixed the issue. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes