The function of a garage door is meant to make life easier. It is an effortless way to enter your home at the push of a button, only exiting the car once you are safely inside your garage. Unfortunately, a problem with your garage door will usually occur internally. The inner workings of a garage door are usually made up of small complex parts. It can be hard to determine what is broken if you can’t see it. This can lead to the complicated task of diagnosing and fixing the problem.