If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Garage door stuck half open.
This requires a simple turn.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
Because of the potential danger of broken parts you should inspect the garage door for damage before attempting to close it.
Some garage doors have a full lock system which enables you or anybody to lock your garage door from the outside by only turning the handle.
Another reason that your garage door won t open all the way in cold weather is probably that the metal has contracted.
If your garage door is not balanced right it won t go up or down all the way.
In cold temperature the space between molecules reduces making the metal shrinks.
A door that is stuck halfway open is a security risk allowing access to the garage and the home if it s attached.
When you know there is no damage to the door you can close the garage door by disconnecting the door from the electric opener.
If this is the reason your garage door is not functioning properly the lubricant must be applied.
An electric garage door can become stuck in the open position for several reasons.
A stuck garage door needs prompt assessment so you can decide whether you can.
If it is possible to safely pull the garage door manually to a closed position before attempting any repair do so.
Lubricating the springs hinges and other.
A garage door that only opens halfway becomes a nuisance for many reasons.
Surprisingly your garage door just being locked can be causing your problem.
You can view this video on how to safely open your garage door with no power here.
If you ve checked for obstructions and made sure the lock button wasn t switched to the on position and still your garage door opener won t open all the way check to see if your garage door is balanced properly.