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

My garage door will not close unless... My Liftmaster garage door opener will not close unless I am holding down the hard-wired button, remote control button or key pad button. If I release the button

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, ...

Garage door will not close from remote or car. Garage door will open from remote or car; however, it will not close using these controls. The only way I can close the garage door is to press on the ...

Garage opener try to close door when door at close position liftmaster model 1265; I tried to open the door, but the opener seems "forget" door is at closed position, instead of "opening" the door, it

door reverses after fully closing, how do I determine if problem is due to adjustment to force or travel limits If the door fully closes, the travel limit must be adjusted, as you suggested. If the ...

One of my doors is working fine. The other is open and will not close. When I press the remote, the motor makes a noise as if it is attempting to close, but it does not. I cannot manually close it. ...

My digidoor does not want to close correctly. It leaves a gap of about 750mm when it closes. It looks as if the chain drive stops too early. The door opens fine in manual mode. need to adjust the ...

...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 control, it starts to close, then comes back up. ...

I replaced the screw sprocket coupler and the door doesn't close all the way. If it's just off a little you can adjust the limits. If it's off alot you need to take the gear set back out and set the ...

lift master formula I will not close, only goes half way down, but fully opens. Worked fine until my wife closed the door on the car, after that it would fully close I had this problem as well with ...