You should properly lubricate your garage door s track the opener chain and the springs every few months as part of regular preventative maintenance.
Garage door opener trolley stuck.
My first problem was the door would close.
Poor lubrication is a very common and easy to fix explanation for why you might find your garage door stuck.
The trolley is on garage door end not on the opener end.
With the garage door still disengaged i connected the chain back and pressed the button on the wall to see if the trolley would reverse.
Recently it opened all the way until the trolley hit the bolt that stops it from going any further.
I disconnected the chain and pressed the wall switch to make sure the gear rotated clockwise so that it would be as if garage door was closed.
Your jammed garage door can be caused by something as simple as an obstruction in the track.
Be sure to use clopay s garage door prolube or sillicone based lubricants.
Release the door from the garage door opener by pulling the emergency release handle.
Manually bring the door to the closed position.
Once it topped out the opener stuck there.
Check to see if the trolley has been disconnected.
I decided to unbolt the chain from the trolley to allow the opener to move again.
Loosen the chain or belt by adjusting the outer nut 4 to 5 turns.
A door that is stuck halfway open is a security risk allowing access to the garage and the home if it s.
My 10yr old house has a sectional aluminum door and a 1 2hp craftsman garage door opener.
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This can be a quick fix by identifying the object and then removing it.
When i disconnected the door it seemed to open and close by hand smoothly.
This relieves the tension.
Check to see if anything a shovel broom etc fell and is now stuck in the track that is causing it to be lodged.