Roller Garage Door Problems

Garage door reversing before closing garage door openers manufactured after 1993 include sensors to prevent a door from closing on a child or pet.

Roller garage door problems.

While many problems that keep the door from opening are caused by broken springs a lot of other parts could be keeping your door from functioning properly. This is related to the up limit switch. The metal track your door runs on needs to be aligned properly in order for your door to move. One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.

If you garage door is lowering then reversing. Two possible problems can lead to a garage door reversing before it even touches the floor. If your garage door track is out of alignment it can be a serious issue. If you see gaps between the rollers and rail or bends in the rails themselves you have a problem.

If there is a gap between the garage door rollers and the rail or if the rail is not straight then you need an immediate fix. Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off. The roller door shakes and shimmies going down this is generally caused by the roller door having bagged up at the top or running uneven. It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.

Generally this will need a technician to repair. You can carefully try and close the door with pressure on the side that is higher on the way down. This page should help you troubleshoot your garage door problems. If this happens you should be able to see the gaps.