If you find that it keeps running this can present a problem in your system.
Garage door stops opening cold.
When water freezes near a closed garage door it can cause the weather stripping to stick to the ground.
Cold makes the space between molecules lessen which makes objects such as garage doors contract.
In a typical situation the motor for your garage door opener should stop running once the door has closed.
Then as you raise the door the strip peels and you lose the proper sealing that insulates the garage s interior.
Brush away snow and puddles often to prevent the weather stripping from becoming damaged.
If the door opens smoothly by hand the problem is with the opener.
Try to lift the garage door by hand.
If the garage door still only opens halfway the problem is with the door.
If this is the reason your garage door is not functioning properly the lubricant must be applied.