Shut off the power to the garage door opener.
Garage door cannot open fully.
As you open the door look for any signs of resistance or obstruction.
A torsion spring has.
If the door is very heavy then you have a spring that is broken or that has failed.
Why your garage door won t fully open safety first.
The door should then lower easily and you can reconnect the opener.
You should now be able to move the door up and down by hand.
Test the door s balance.
Use a screwdriver to tighten the wire.
In this case call a service company to replace the spring s.
Adjust the travel.
From here lift the garage door by hand about 3 feet above the ground and then release the door and see were it lands.
When the door is fully open use a mallet to lightly tap the bent side of the track back into alignment.
When your garage door won t fully open start by closing it fully and then pulling the emergency release handle down and back toward the trolley to disengage the automatic opener.
To check the balance pull the emergency release cord or chain to disconnect the door.
If your garage door is not balanced right it won t go up or down all the way.
Turn the power back on and the door should open and close normally.
Perhaps the greatest cause of a garage door that will not open all the way up is a lack of.