Sometimes it's the little things that make a difference. And it can make a big difference in your kitchen if you know how to take care of some of the little things by yourself. Simply pull them off their control shafts. Knobs may also be held in place by setscrews, sps or sp clips, or pins; or they may be screwed on. All of these types of fasteners are easy to release. Housing panels are usually held by screws or bolts. They may also be held in place by tabs. Sometimes, parts are force-fitted and may be hard to remove. Never force parts apart; look for hidden fasteners. For instance, there may be no obvious fasteners holding the top of a washer in place.
Appliances work hard, year after year, usually without too many problems. They're easy to take for granted. The result is that when an appliance breaks down, you may be completely at a loss. You don't know how it works, you have no idea why it stopped working, and you certainly don't know how to fix it. What can you do? You can pay a professional to fix it. Before you attack the refrigerator with a screwdriver, you can pay a professional to fix it.