Garage Door Trolley Hits Stop Bolt

Trolley on garage door opener hits stop bolt and clicks 10 times.

Garage door trolley hits stop bolt.

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. It is a craftsman 3 4hp model 139 53918d. Stop bolt to remove the trolley from the stop bolt follow the steps below. Your on the right track when you loosen the chain to get it off the stop bolt you are changing the limits.

Tried to reset opening travel distance but it keeps traveling to the stop bolt and clicking. Was programed and working fine before today. Turn it to the middle position yellow line in fig. After you adjust the down limit and it still comes up and hits the bolt you may have a.

Do you know what i need to do to limit the movement of the door model 139 53650srt craftsman thanks. When my craftsman garage door opens up it goes all the way up until the trolley hit the safety pin.