liftmaster Chamberlain Garage Door Opener Transmitter 300MC "suddenly open" Questions

...suddenly stopped lifting garage door. Still able to open door from button in the wall of the garage. Figured it was a battery problem. Installed new battery (3 volt duracell)--negative side down. ...

...suddenly stopped my built in remote contro;l garage door opener works sporadiaclly. it closes the door when we leave the house butwhen e come back it wont open the garge door. but once we open the ...

We have a lift master garage door opener, all of the sudden one day, our remote control, (car and remote) does not work to open and close the garage. Tried to reprogram by pressing the red button on ...

My 373LM Liftmaster remote does not work suddenly. Other remote, wall control switch and my car door opener works perfectly. I am sure it is isolated to just this particular remote. I doubt it is ...

SUDDENLY LEAVING THE DOOR OPEN. IT IS CONNECTED TO A LIGHT OUTLET AND I HAVE CHANGED AND PLUGGED IT INTO A WALL OUTLET WITH THE SAME RESULTS. i HAVE REMOVED THE COVER LOOKING FOR LOOSE CONNECTIONS BUT

i have a liftmaster keypad and remote and my code all of a sudden won't work.....additional question...i have an apollo gate that the lift master is wired to ... how do i set up the remote to open

All of a sudden our garage door stopped working and the light flashes 10 times. Liftmaster Model 2265 1/2HP. Any ideas? We just had the same problem this morning (cold weather can mess these things up

My garage door opener a genie excelerator all of the sudden it will no longer reconize a remote, I have tried the reset button, and it is still not working. The light doesn't blink showing its ...

I have liftmaster garage door opener P/N 41A-5483-4. It worked normally. but all of sudden, when door closing, it reverses automatically at half way down, and garage door light bulb starts blicking 6 ...

All of a sudden my garage door motor will not run, only clicks when pressing wall button or remote. garaage door moves manually. Sounds like the trolley is stopped up against the stop bolt on the rail