The door has dislodged from its track.
My automatic garage door will not open.
Pull your garage door so it s about halfway open.
Perhaps the greatest cause of a garage door that will not open all the way up is a lack of balance.
Sometimes a garage door won t open or close for one reason only the operator has no power connection.
Shut off the power to the garage door opener.
If your garage door doesn t open but the opener motor runs for just a few seconds and then shuts off the garage door itself may have manually been locked.
Use a screwdriver to tighten the wire.
Snapped or loose cables.
You might have absentmindedly unplugged the operator as you were exiting the garage through your internal door to the house.
If there are dents in the door they need to be dealt with as they will affect the way the door opens.
In the funniest of scenarios the problem will simply be due to an unplugged power cord.
If you find that other lights or electrical circuits in the garage aren t operating this is the likely cause and you ll need to reset the breaker or gfci or replace the burned out fuse.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned out.
When a roller on the garage door comes off one of the side tracks the opener won t be able to lift the door.
The limit setting is off.
Its power source is disrupted.
The torsion springs are broken.
Test your door s balance by disconnecting it from the automatic opener.
The door should raise and lower easily by hand.
If you have a dent use a block of wood against it and use a hammer against the wood to hammer that dent out.
Locate the force adjustment dials.
This can happen if a track is accidentally struck by a heavy object and bent outward.
Turn the power back on and the door should open and close normally.
If the motor is running on your garage door opener but the door itself isn t opening don t panic.
If you ve checked the door springs and the track for obstacles and those things appear to be fine check to see if the lock on the door is engaged.
11 reasons why your automatic garage door won t open or shut the photo eye is blocked.