If your oven is not working properly, it could be because of a number of things. The most common reason for oven repair is a broken or missing door. This can happen when the door gets damaged or gets knocked off, often when opening or closing the oven. Oven Repair in San Antonio.If you have a broken Oven, don’t waste your time calling other repair companies. We can fix your oven right the first time, and we guarantee it!