I suppose if the installation instructions are followed very carefully they might be able to.
Manually close and lock garage door.
Typically you have to pull the cord straight down or slightly away from the door to disengage the opener.
Close the door manually pull the door down when carrying out this procedure remember that the door is off the track hence no support.
Most garage doors have a square knockout that can be removed.
If you cannot open it check that you ve correctly detached the lever and try again.
The lock slides the latch into the garage door vertical track and locks the garage door.
Your garage door may not have an area for the latch to slide into.
Put the bolt ends through the holes in the garage door rail.
Locate the emergency cord on the overhead track of your garage door opener.
To manually open most garage doors you simply pull a corded handle that is attached to the door.
It is now impossible to open then door without breaking off all rollers below the lock.
Since the lever is spring loaded you will have to pull with enough force to lock it into place.
Manually lift the garage door.
In this case pull it downwards carefully till it touches the garage surface.
How to close your garage door by hand 1.
Once the lever is disengaged you should be able to open.
The emergency cord will release a lever that connects the door itself to the garage door opener track.
Closing and opening your garage door manually from the inside sometimes the problem isn t about being locked out.
Using both hands and help from others if you need it raise the garage door.
Overhead garage door opener mechanisms are another one of those items that homeowners and weekend warriors think they can install themselves.
Since your garage door is being operated manually it s easy to open and close it.
Resetting the garage door opener.
Reattaching your garage door.
Manually lock your garage door.
If you didn t drill the holes in the right space you will have to loosen one of the nuts to give the bolt a bit of play.
Very often i find the door s manual locking mechanism still functional sometimes locked when i am about to test it.
If you can access the interior of your garage follow these steps for how to manually open your garage door from the inside.
Most doors have a manual locking system usually a large handle in the middle of the garage.
This disengages the electric drive from the door and you can manually open and close it.
The side lock will need to be installed on the garage door using 4 bolts.
A garage door side lock can be purchased for under 10 dollars.
If no holes are present you can drill holes using a hand drill and a metal drill bit.
The second set of nuts can then be hand tightened to hold the lock onto the rail.
The manual lock ensures that no one on the outside of the garage can get in until it s manually unlocked from the inside.