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How to get garage door back on track after pulling red cord.
Pull the emergency release cord toward the door.
Once the lever is in the opposite location push the button again.
Do not pull so tight that you damage the cord or the lever.
Pull the outside of the track open with another pair of pliers to put the wheels back on the track.
Once the door is back on track knock the track back into position with a rubber mallet.
Manually move the garage door and return to down position.
Then knock the track back into position with a rubber mallet.
As long as your sensors are working properly this should have solved the problem.
Once you are done maneuvering your garage door and are ready to re engage the automatic door opener please return the garage door back to the down position.
How to run your garage door manually when you have a power failure or garage door opener problems.
Pull the outside edge of the track open with a pair of pliers so you can easily get the wheels back on track.