The measurement is used to reset the up.
How to set limit switch on garage door opener.
Measure the distance from the top of the garage door opening to the bottom of the garage.
Press the button on your remote to open the garage door.
It is also possible that the limit switch is located in the opener mechanism.
Measure the gap as it will be required to reset the down limit of the door on the opener.
On certain garage door models the limit switch is located on the tracks.
Programming close limit 1.
Set your multimeter to continuity or resistance and connect it to the two indicated terminals on the switch.
It should show no connection no continuity or full resistance push on the switch button or push the spring arm to push the button and the meter should show a connection between the two probes.
If you can t find it there consult your user manual for reference.
First locate the limit switch.
The open limit is now programmed.
When the garage door opens about halfway or 5 feet from the ground and stops the up.
Go to the manufacturer s website or try manuals online they may have a copy that you can download.
How to adjust the travel limits of your garage door if it won t close all the way.
Release the limit set button.
Manually close the garage door.
Make use of a step ladder to access the limit switches given on the door opener and adjust the settings or tighten the screws on both the ends if they have loosen up.
On the back of the opener motor locate the limit set button.
You can do almost anything all you have to do is try.
Disengage the carriage from the inner slide by pulling on the red release cord.
Garage door doesn t open all the way.
Stand on a step ladder to reach the up limit switch adjustment screw on the side of the garage door opener.
Using the push button or transmitter position the garage door approximately 1 to 2 feet from the closed position.
Remove any old limit clips which may still be attached to the chain.
Press and hold the limit set button until the garage door is in the desired fully open position.
Open the garage door and watch it closely as it opens.
Measure the height where the door stops while it is being opened.
How to reset garage door opener limit switches.
If your garage door does not closes fully and stops in the mid way or it moves up after reaching the mid way you need to check the down limit of the garage door opener.