Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ "trolley jams against bolt front" Questions

...trolley jammed against the bolt just in front of the motor unit? If so remove the bolt and then run the door until it is closed. Now locate the 'up limit' control on the side of the motor unit and ...

chamberlain garage door opener only clicks when you ush the remote or wall device. Make sure the trolley isn't jammed against the bolt just in front of the motor unit.

No response from opener when pushing the button from the garage wall button. do get a hum, no response. Make sure the trolley is not jammed against the bolt just in front of the motor unit.

The garage door hums for a few seconds and then stops, the door won't go up or down. Make sure the trolley isn't jammed against the bolt just in front of the motor.

When I press the open button on the wall unit the light goes on, the unit clicks but the motor does not engage Check to see if the trolley is jammed against the bolt just in front of the motor unit.

not go up or down when wall button or remote is engaged.The LED only blinks.We have to open and close manually it is a 41A5021-1D Trolley is probably jammed against the bolt just in front of the motor

...trolley is jammed against the bolt just in front of the motor unit. If so loosen the chain enough to remove the tension of the trolley. Now run the motor until the door closes. While the door is ...

...trolley is probably jammed against a bolt just in front of the motor unit. Remove that bolt and then run the opener until the door is closed. Now on the side of the motor unit you will find a control ...

...trolley is probably jammed against the bolt just in front of the motor unit. Loosen the chain until the tension is removed from the trolley. Run the motor until the door is closed. While the door is ...

...trolley may be jammed against the bolt just in front of the motor unit. If so remove the bolt and then run the opener until the door is closed. Now locate the 'up limit' control on the side of the ...