There are several things that can go wrong with garage doors. Unfortunately, there's not a lot you can do to repair your garage door yourself. The doors are usually very heavy and the springs are under a lot of tension. It is dangerous to attempt repairs on a spring or twisted track. You'll need to call a professional to make most garage door repairs, but before you do, be sure to check these simple things first.
Remote Control Batteries
If the door won't open, the batteries in the remote could be dead. They could also just be loose if you dropped the remote recently. Even if the remote has good batteries, something else could be wrong with the device that caused it to malfunction. The first step is to bypass the remote and see if your garage door operates with the indoor switch. If it does, you know the problem is in the remote. If it doesn't, the problem could be in the spring or electrical components of the opener, which means you may need to call in a professional.
The Electronic Eye
If the door won't stay down or close, it might be due to problems with the electronic eye at the foot of the door. There is a sensor on each side of the door. A beam is emitted from one side and is received by the other. If something blocks the beam or if …show more content…
Dirt and leaves may accumulate in the track, or there could be a cloth or wad of paper wedged in there. Try cleaning out the tracks and then lubricate them. Open and close the door while watching it move along the track. If it makes noise, slows down, or stops in a certain spot, check to see if the track is bent there or if there is a blockage of some sort. If the track is bent in on itself, you may be able to pry it open. However, if something knocked against the track and moved it out of alignment, you'll want to call a professional to repair the track because it could be a safety risk to do it