If the garage door only travels down an inch or so before reversing something is probably blocking the beam between the two safety sensors at the bottom of the rails or the sensors aren t aligned.
Garage door opener stuck in reverse.
If it still reverses raise the door halfway and stop it.
The lights should be steady and not blinking at all.
The most common issue is that the sensors become misaligned usually as a result of being bumped into.
Check the cross beam receivers at the door bottom.
Replace them if they re broken.
Poor lubrication is a very common and easy to fix explanation for why you might find your garage door stuck.
Do not use wd 40.
If there s anything stuck to the bottom of the door such as a leaf a small piece of paper or any type of.
If there s anything that s blocking the threshold even slightly your garage door will sense the blockage and reverse the direction to prevent damage or threats to safety.
Check the bottom of the door.
You should properly lubricate your garage door s track the opener chain and the springs every few months as part of regular preventative maintenance.
Check out this handy rundown from liftmaster.
If they are misaligned they don t send a signal to the power head and the door will automatically reverse or not go down at all.
If the threshold is clear the issue could be any number of things in addition to the problems listed above.
For some garage door openers fixing the auto reverse mechanism can be as easy as tightening some screws with a screwdriver.