A: It is not safe to operate your garage door if your spring is broken! Do not attempt to open your door with your opener. You can possibly damage the top section and/or the opener. DO NOT ATTEMPT TO REPLACE BROKEN SPRINGS!!! The attached springs are under extreme pressure and, if not handled properly, could release with enough power to kill you! You need specific tools and training. It’s highly recommended that you have a qualified professional do this job.
A: Having an insulated door with properly installed vinyl molding will make your door more energy efficient, there is often a 15 to 20-degree difference in a garage after it is insulated.
A: More than likely the cable is broken, or slipped off the drum. This is directly related to the tension in the spring and is extreamely dangerous. It is highly recommended that you have a qualified professional do this job.
A: Usually, it is a simple matter of aligning the photo eyes, other possibilities could also be a cut or faulty wire, or a bad circuit board.