If the garage door vertical track is locked the door cannot be opened.
Unlocking garage door track.
If you install only the sk7115 you can lock and unlock your garage door from the inside.
The sliding bolt should automatically spring open.
Lodged garage door track.
Garage doors like anything else with moving parts require periodic maintenance.
You can also use the operating lever.
Use a key padlock on the vertical track to prevent the door from being opened manually.
Garage doors get a lot of use which is one of the primary causes of the problem.
To open it up all you need to do is thread a coat hanger or hooked piece of wire through the top of the door and open the emergency latch which can also be done by the rope many emergency latches.
There are two bars running from the handle that release the door to be unlocked manually and there is also a button on it which moves the bars across to lock the door.
To lock it push out the sliding bolt.
There will be holes in the vertical track that can be used with a simple padlock.
Keep turning it until you hear a click.
This is an easy fix by realizing this problem and then unlocking your garage door.
In order to unlock your manually locked garage door you just need to turn the knob or large handle located in the middle of your door.
Your jammed garage door can be caused by something as simple as an obstruction in the track.
Check to see if anything a shovel broom etc fell and is now stuck in the track that is causing it to be lodged.
A common problem with garage doors is that they go off track from time to time which can be a particularly annoying problem when the weather is bad or you are in a rush.