Most common reason for the garage door to stay open is that the photo eyes or garage door sensors feels that something is standing in their way. It can be caused by them being very dirty or not aligned. Both of these issues are easy to resolve, but require some experience from garage door repair long island to make sure that it will work in the future. Sometimes, the cause is even simpler. Namely, if there is actually something in the door's path in long island, then the eyes will not allow it to close. So the path always needs to be checked.
It might be that the garage door opener has its settings incorrectly set. Occasionally, it thinks that the door should go down further and when it hits the ground, it i will immediately turns back and gets to the open position. In this case, the opener settings will need to be adjusted to correct measurements of the garage frame area and its height.
give us a call if you are having this issue garage door repair long island is there to repair and fix all your garage door needs.