Garage door locked surprisingly your garage door just being locked can be causing your problem.
Manual garage door stuck closed.
Locate the emergency cord on the overhead track of your garage door opener.
When attempting to fix a garage door that is stuck open make sure to turn the garage door opener off.
A garage door stuck in the closed position may tempt you to crash on through but don t let frustration get the better of you.
You can view this video on how to safely open your garage door with no power here.
How to close your garage door by hand 1.
I managed to get a camera inside to look upward and can see that one of the cables that attaches to one of the spring latches has broken.
The emergency cord will release a lever that connects the door itself to the garage door opener track.
Lawn building manual garage door stuck closed i have a manual garage door that has a center locking handle that decided to stop opening yesterday.
Once the lever is disengaged you should be able to open.
Some garage doors have a full lock system which enables you or anybody to lock your garage door from the outside by only turning the handle.