If your garage door opener has a button that opens the garage door and another button to close it press the close button.
How to get a garage door opener back on track.
Place the roller back in the track.
Press the garage door opener button.
After troubleshooting the tracks to find the problem you can now get to work putting the rollers back on track.
Once the door is back on track knock the track back into position with a rubber mallet.
It is relatively simple to fix a garage door that has derailed.
Which requires you to open the door all the way and relieve the spring tension by disconnecting the opener.
Raise and lower the door manually to ensure it is operating properly.
Now you will be able to open the door manually.
Over time though this slack can increase or the gear and sprocket assembly can wear and the chain may pop off the sprockets.
Loosen the mounting plate without removing it.
The next step is to go to the inside of the garage door.
Most common garage door track options.
If the track has become so badly bent that the entire thing needs replaced this can be considerably more expensive in the hundred dollar range.
If simply hitting the button does not work you will have to take more action.
Step 5 double check everything.
The first thing to do is hit the door button.
You need to check the release handle and make sure that it is on the track.
Some units will actually reconnect themselves but this is not typically the case.
Detach the door from the automatic opener by pulling the overhead string to disengage the opener.
Remove the locking pliers.
You can put the chain back on your automatic garage door opener using a simple adjustment mechanism.
There are five basic garage door track options although the first two are by far the most common ones used in residential installations.
Make sure all the loose parts are tightened.
Chain driven garage door openers should have some slack in the chain for optimal performance.
How to disengage and reengage your garage door opener if you need to open your door manually.