Also verify the antenna on the motor unit is in the proper placement.
Garage door opener stuck on stop bolt.
I had to remove the chain and let the trolley rotate through once cycle and then put the chain back on to get the trolley in sync.
Tried to reset opening travel distance but it keeps traveling to the stop bolt and clicking.
Slowly increse the up travel limit 1 4 turn at a time until the door is open enough to clear you vehicle.
Here are my steps to realign this module this applies to most craftsman garage door opener models.
Your on the right track when you loosen the chain to get it off the stop bolt you are changing the limits.
I have a craftsman garage door opener model 139 53635srt.
Release the garage door from the trolley using the emergency release cord.
The door should stop short of fully open.
The up down limit screws are on the opener body with arrows above to indicate increase.
It is a craftsman 3 4hp model 139 53918d.
The issue with the stuck trolley was because the motor was rotating in the opposite direction and causing the trolley to hit the bolt on the garage door end.
Sometimes when the door opens it goes past the up limit and hits the stop bolt when that happens i have to release the tension in the chain and only then will it move again.
After you adjust the down limit and it still comes up and hits the bolt you may have a.
Firstly check that you re using it within the range required for your opener.
I have a craftsman garage door opener model 139 53635srt.
What you need to do is back off the uptravel limit adjustment.
If you re too far away this can cause a problem with opening or closing the door.
You may also need to reprogram your keypad or replace the batteries in it.
I am hoping this would a simple parts replacement but not sure w.
Sometimes when the door opens it goes past the up limit and hits the stop bolt when that happens i have to release the tension in the chain and only then will it move again.
Ensure that chain isn t torqued against the bolt as this could be very dangerous to work on.
There was another problem.
Unplug the garage opener.
First visually verify that the trolley is against the stop bolt make sure the garage doorway is clear of persons or obstructions release the door from the garage door opener by pulling the emergency release handle manually bring the door to the closed position loosen the chain or belt by adjusting the outer nut 4 to 5 turns.
Stop bolt to remove the trolley from the stop bolt follow the steps below.
Trolley on garage door opener hits stop bolt and clicks 10 times.