Few things around the house have the potential to hurt you, andyour wallet, like a home appliance breaking down. While manyappliances can be easily fixed with a little know-how and commonhousehold tools, other appliances are not suited for casual repairand require the expertise of a trained professional. In the case ofthe microwave oven, it turns out that while many problems requirethe help of people who have been trained in their repair, there aresome microwave repair projects that can be done at home, saving atrip to the repair shop.When working on a microwave, as with any other type ofelectrical equipment, the first step should always be to unplug thedevice from its power source. This may seem like common sense, butit’s not always easy to disconnect a microwave from the power grid,espec