liftmaster Chamberlain Garage Door Opener Transmitter 300MC "not close" Questions

...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, it immediately ...

...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 manual control ...

...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. Help. First thing I would do is get up there and check every ...

...not close unless I hold the button the whole way down. Both of the eyes have lights on. make sure the eyes are clean and aligned if the opener thinks something is obstructing its path it will not ...

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 bottom or close limit

...not close from the remote in the car We, too, am having similar challenges. Our Chamberlain Liftmaster Professional Formula I Part #41A5483-4 used to work great with just the touch of the button on ...

...not the double main door but only the single door opens and closes when they use their single door. We did just code my wifes car buttons to that door last week and now we have this? Your code may be ...

not close, but it opens Maybe it's the safety device that prevents the door closing if there is an obstruction.   Many of these have a reflector mounted near the floor on one side and an

...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 the door opening just fine ...

...not always close It is a chamberlain brand. Sometimes it won't close. I had a technician out and he said the motor was good. Almost always will open, but, won't close unless I hold the button down. ...