liftmaster Chamberlain Garage Door Opener Transmitter 300MC "trying close closed" Questions

Garage door won't close The door will open when you push the wall button but when you try to close it - it reverses, reopens and the light flashes 4 times. There is no obstruction (leaves, cob web, ...

...closed position, instead of "opening" the door, it is still tring to close the door and it pushes the door so hard that raises the T-Rail bar. Because of too much force on the T-rail it break my wall ...

...closed the door on the car, after that it would fully close I had this problem as well with the door opening just fine but was not closing when using the remotes or when breifly pressing the wall ...

Grage door reverces and goes back up after touching the ground I hava a Lift master 1/2 hoursepower opner. After changing out the main drive gear the door will close but goes back up upon touching the

I have a LiftMaster garage door opener. It has started to act up a bit, and I can't seem to locate the problem. It opens just fine, but when we try to close it, with either the remote or the wall ...

garage door opener won't close unless button is held. replaced safety sensors, tried realigning sensors, no joy. help! Hello. follow this link and read Q&A #1, I think this may be the issue. The ...

door opened and will not close or open now I have a liftmaster Formula 1 1280R. Door is "stuck" open. Opened with remote, tried to close with wall button, lights came on but no motor. Disconnected ...

Door keeps trying to close when already closed ? reset ele eyes

the door will open just fine, when closeing the door (by the wall switch) it will not close unless you hold the buttom down. The sensors at the bottom of the door has a green light on one side nad the

...close by pushing hard on trailing edge of the door to force it closed. It does not do this at any specific point in the travel. It can happen at the start of the closure, in the middle or at the very ...