Using a flathead screwdriver turn the down limit switch adjustment screw on the side of the garage door opener counterclockwise one full turn for every 3 inches you need the door to lower so it closes all the way.
Adjust close limit switch on the garage door.
Close and open the door two or three times assessing how close to the floor the door stops.
When the door does not close all the way the limit switch may be responsible.
The limit switches control the travel of the door.
Things you will need.
Start by opening the garage door and watch it as it opens and closes.
See garage door opener problems and overhead garage door repair for all the garage door topics.
Open the garage door and watch it closely as it opens.
Adjusting garage door limit switches can be done easily with a few tools.
Open and close the garage door.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
A garage door limit switch is a device that helps you set the appropriate functionality of a garage door.
With these simple steps you will be able to tune up the limit switch so that your garage door recovers its optimal performance.
If the door stops halfway the up switch probably needs an adjustment.
You ll use this measurement when it comes to adjusting the switch.
If the problem remains continue adjusting the down limit switch until the door operates normally.
Continue to adjust the limit switch and testing until you obtain the desired results.