The trolley can become lodged against the stop bolt tab because the door has either opened or closed too far.
Garage door trolley stuck open.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Lodged garage door track.
When i disconnected the door it seemed to open and close by hand smoothly.
My 10yr old house has a sectional aluminum door and a 1 2hp craftsman garage door opener.
A door that is stuck halfway open is a security risk allowing access to the garage and the home if it s.
The garage door opener motor will hum when attempting to open or close the door but is unable to travel due to being lodged against the bolt tab.
Was programed and working fine before today.
It is a craftsman 3 4hp model 139 53918d.
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I decided to unbolt the chain from the trolley to allow the opener to move again.
If the rollers are out of the track contact a clopay master or authorized dealer to professionally and safely get your door back on track.
If your garage door gets stuck when opening this may be why.
Check to see if anything a shovel broom etc fell and is now stuck in the track that is causing it to be lodged.
Even with regular maintenance garage doors can sometimes stick refusing to open or close.
Your jammed garage door can be caused by something as simple as an obstruction in the track.
Once it topped out the opener stuck there.
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Typically this is caused by a mis adjustment.
Trolley on garage door opener hits stop bolt and clicks 10 times.
Recently it opened all the way until the trolley hit the bolt that stops it from going any further.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.