Do any necessary repairs reconnect the opener and try it out.
Garage door opens only slightly.
In cold temperature the space between molecules reduces making the metal shrinks.
Garage doors use radio frequencies to open and close.
The simple stuff if the garage door connected to your liftmaster opener only opens part of the way or it begins to open but then reverses check the track and the surrounding area for any objects.
These limits set the distance the door will open or close before stopping.
You have an open limit and a close limit on your garage door opener.
If you stillare having problems you can make slight adjustments to either the closingforce opening force or the travel limit adjustments.
Below are three reasons why your garage door opens on its own and some quick fixes you can try.
It sounds like the limit settings need adjusting.
Whether you re using the passcode entry the buttons inside the garage or your remote opener the openers and the garage door itself must be on the same frequency.
You may think the door is workingok because it feels ok but you should still check all components to be sure.
Lubricating the springs hinges and other metal parts can help your door to move easily.