If the problem isn t your sensors then you ll need to increase the down travel.
My garage door won t close all the way down.
This is almost always the result of a dirty or obstructed safety feature.
Depending on the brand.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
The travel controls how far the door goes up and down.
Does your garage door keep coming back up after it hits the floor.
It goes partway down reverses direction and goes back up again.
While many problems that keep the door from opening are caused by broken springs a lot of other parts could be keeping your door from functioning properly.
You just need to adjust the travel setting on your door opener.
If your garage door all of sudden won t go up and you re sure the transmitters are working properly and power is getting to the motor then you may have broken torsion springs.
Garage doors are heavy and to prevent injuries manufacturers of automatic openers include safety sensors to stop the door when someone is in the way.
The safety sensors for your garage door located near the floor on each side of the garage on the tracks may have become out of alignment.
Do this by turning the down limit nob counterclockwise.
You push the button to close the garage door.
If you happen to be home when these break you ll hear a loud bang from inside your garage.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
Most newer openers have a safety feature that makes the door reverse if it encounters an obstruction.
First check the sensor lights.
A garage door that won t close all the way may also need to be adjusted.
Though this problem should be obvious it shouldn t be overlooked.
However if this is your issue make sure you check the sensors first.
If there s something blocking the door from closing all the way a full close will be impossible.
This page should help you troubleshoot your garage door problems.
When the door won t go down automatically.
Your garage door opener may tell you this by showing a blinking light.
Clutter or obstructions that block the sensor are the first problems to look for if your door won t close or in extreme cases open at all.