There are several reasons why a garage door won’t open or close. Troubleshooting the issue will help you decide whether you can solve the issue yourself or need a professional to repair. Here are some of the most common reasons why your garage door does not open or close properly and how to fix the problem. Dead Batteries in the Transmitter While this might sound like an obvious issue, the truth is, most people do not think about testing or replacing their transmitter batteries until they become unusable. If your…