Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ "sounds going chain" Questions

...sounds like you have either a broken door spring or the drive gear in the motor unit is going bad. Release the opener from the door and operate it by hand. It should be easy enough to raise that your ...

Garage door opened fine but now when I try to close it, all I hear is a buzzing sound for 3 sec., light comes on but door won't go down. Your trolley may be jammed against the bolt just in front ...

sounds like the motor may be going out, but we have only had the garage door for 4 years. It is model number 5BWS-A372U. Any suggestion on how to fix or if the company will stand behind it? Likely the

...only goes down the opener thinks the door can keep going down when there isn't any more to go? sounds like down travel limit has to be backed off . if this always happened, chain may be out of

sounds as if it is working but the chain is not moving at all,,then I hit the button once again and it does the same thing...then I have to hit the button for the third time to shut it down. the chain

...chain is loose, it drags on the garage door as it goes up and down. I can only get the door to go down if I hold the button on the wall?? How do I fix this? It sounds like a door sensor problem for ...

...the way.chain moves,door doesn't.no obstructions? It sounds like you may have a stripped drive gear. You can remove the cover and check the gear. It is white nylon and is just in front of the

...it again so I started using the other remote and that worked once. Now the last 3 days neither one has worked. Sounds like your logic board is going bad. The part number you listed is the logic

...sounds like your father did not follow the instructions when he installed the opener. Try following these instructions. Loosen the chain enough so that you can remove it from the sprocket above the ...

when i press the key only the chains move leaving the door still up Sounds like the trolley has been released from the door. Pull straight down on the release rope and let go. When the two halves of ...