All you will have to do in this case is readjust the sensors to allow the garage door to fully close.
My garage door won t close all the way down.
One of the more difficult problems for do it yourselfers to diagnose is a worn cable pulley on an extension spring door.
One or more of these reasons is likely responsible for your garage door closing partially but not all the way.
Something blocking the door.
A garage door that won t close all the way may also need to be adjusted.
Depending on the brand.
Your garage door opener may tell you this by showing a blinking light.
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.
Do this by turning the down limit nob counterclockwise.
Does your garage door keep coming back up after it hits the floor.
When the door won t go down automatically.
Though this problem should be obvious it shouldn t be overlooked.
If there s something blocking the door from closing all the way a full close will be impossible.
If you happen to be home when these break you ll hear a loud bang from inside your garage.
The travel controls how far the door goes up and down.
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.
This page should help you troubleshoot your garage door problems.
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.
This is almost always the result of a dirty or obstructed safety feature.
You push the button to close the garage door.
You just need to adjust the travel setting on your door opener.
Most newer openers have a safety feature that makes the door reverse if it encounters an obstruction.
First check the sensor lights.
If the problem isn t your sensors then you ll need to increase the down travel.
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.
However if this is your issue make sure you check the sensors first.