There is the up switch and the down switch.
Garage door close limit switch adjustment.
The garage door limit switches may need to be adjusted.
Adjusting the limit switch will stop your garage door from behaving erratically.
Once you locate the limit switch take your flat head screwdriver and start turning the knobs.
Chain drive units may have lugs in the chain that can be repositioned.
The safety sensors may need adjustment or.
Find the limit switch and the adjustment screws that will allow you to adjust the position where your door stops when it closes.
If it closes and then begins to open again you need to.
Set the step ladder under the garage door opener in your garage and use it to access the up and down limit switch adjustment screws located on the side of the garage door opener motor housing.
Limit switches look like two white knobs and you can usually find them on the garage door tracks.
Garage door closes opens back up press the button on your remote to operate the garage door.
Turn clockwise to increase the travel distance and counterclockwise to decrease the travel distance.
Using a flathead screwdriver turn the down limit switch adjustment screw on the side of the garage door opener.
To adjust your door close force use a step ladder to access your door closer.
Have a helper steady the ladder.
Open and close the garage door.
It may be obvious when you examine the door what type of limit switches you have.
Different garage doors have different means of adjusting the set limit switches but it is usually a screw feature on the motor unit that is turned to adjust how far the door descends.
To start with you need to identify the kind of limit switches your door has.
Most devices need an adjustment when they re not working well.
You can adjust them with a few tools.
Adjust your limit switches your limit switch for your garage door dictates where your garage finishes when you shut it.
If it s not quite right it will leave a gap.
It can also be affected by the flexible seal at the bottom which is tempting for animals to chew away at.
The sooner the better as this situation may cause serious safety issues.
If the door simply stops short of the floor the likely culprit is the down limit switch.
A door opener with a screw drive may have spring loaded switches that shut the motor off when the carriage hits them.
The limit switches allow you to adjust the function of your garage door.
They signal the opener s motor to open and close.
The close limit switch is a safety measure that keeps people from being hit and having the door close on them it is a necessary and required device for all garage door openers.
Step 2 making the adjustments.
You may need a flashlight.
Place a stepladder beneath the box portion of the garage door opener.
If your garage door does not close completely or closes and then starts to move up the travel limit switch issue may be the cause.