Some older garage door openers do not have nicely labeled adjustment screws for force and travel limits.
Garage door only opens part way cold.
If the door reverses part way down and you are sure there is no obstruction or binding increase the closing force a small amount and try it again.
If the garage door still only opens halfway the problem is with the door.
The cold of winter can sometimes result in your garage door closing but being unable to open well.
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 that may obstruct.
In cold temperature the space between molecules reduces making the metal shrinks.
If your garage door won t open in cold weather the first suspect you should check is the grease that runs the tracks.
Another reason that your garage door won t open all the way in cold weather is probably that the metal has contracted.
Lubricating the springs hinges and other metal parts can help your door to move easily.
You may need to adjust the garage door to prevent the friction when it is cold.
Depending on what brand and model of a garage door opener you have you ll make these adjustments by either turning the screws located on the side or pushing the colored buttons.
If this is the reason your garage door is not functioning properly the lubricant must be applied.
The up force may also need to be adjusted.
Grease and lubricants normally make a garage door open with ease.
When the weather turns cold however it is possible for the grease to coagulate making it difficult for you to get your garage door to open.
Pull the emergency release and manually open and close the door to see if it is binding up when it is cold.