How Do You Reset Garage Door Opener Limit Switches?
The garage door opener has two mechanisms that control the opening and closing of the garage door. One is the safety reverse mechanism that will stop the door operation in the event something obstructs the door. The opener also uses limit switches to determine how far to open and close the garage door. When the garage door does not open all the way or does not seal to the floor when closed, you can reset the limit switches. Resetting the limit switches is not difficult and require only one tool. Place a step ladder under the garage door opener motor. Locate the limit switch screws on your unit. Most switches are on the back of the motor head, while others may be behind the light bulb lens cover. The switches are two white knobs with a slot for a flathead screwdriver. Ask a friend to operate the opener push button on the wall to open the garage door. The bottom of the garage door should be just below the door opening header. Adjust the open limit by turning the open limit screw with a f
