Go to the manufacturer s website or try manuals online they may have a copy that you can download.
How to set lower limit on garage door.
When the garage door opens about halfway or 5 feet from the ground and stops the up.
Open the garage door and watch it closely as it opens.
Look for two limit adjustment screws.
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.
Use the wall button to open and.
Measure the height where the door stops while it is being opened.
Once you locate the limit switch take your flat head screwdriver and start turning the knobs.
Adjusting the close limit 1.
Open and close the garage door.
If the problem remains continue adjusting the down limit switch until the door operates normally.
Using the wall button close the garage door.
If the door is closing and reversing you need to set the limit switch so that it stops the door sooner.
Next test the garage door with the help of another person by opening and closing it.
Step 2 making the adjustments.
Locate the curved close limit slot on the back of the opener motor.
How to reset garage door opener limit switches.
The measurement is used to reset the up.
If it is not closing all the way set the garage door limit switch so that the door goes to the floor.
Turn clockwise to increase the travel distance and counterclockwise to decrease the travel distance.