This is almost always the result of a.
Garage door stops opening part of the way up.
Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
The garage springs are normally fragile and rigid.
There appears to be an electric fault on the way up but it stops about 30ins from the top when it clicks and stops.
You push the button to close the garage door.
If you ve checked for obstructions and made sure the lock button wasn t switched to the on position and still your garage door opener won t open all the way check to see if your garage door is balanced properly.
And at times a lower.
In an opposite situation you may find that your garage door isn t opening all the way when you push the button on the opener so that you can drive in.
When the garage door ascends correctly but stops short it is fully open these are the likely causes.
This switch is usually a simply touch lever mounted on the end of the track near the motor unit and if it is too far away the motor will stop the door before it fully opens.
If any of them are broken the immediate result is your door won t function properly or won t open all the way.
Open the door and set a 1 inch block of wood in the center of the doorway directly under the door.
It reacts properly and glides down when requested.
It goes partway down reverses direction and goes back up again.
The up limit switch may need to be moved toward the motor unit.
Springs are important parts of a garage door.
If the door reverses part way down and you are sure there is no obstruction or binding increase the closing force a small amount and try it again.
If your garage door is not balanced right it won t go up or down all the way.
Lubricating the springs hinges and other metal parts can help your door to move easily.