It is essential to identify the source of the problem when a garage door keeps going up immediately after touching the floor or before reaching the floor, as it may stem from various defects. Hence, it is essential to call the professionals of Garage door repair Melbourne instead of trying to fix this problem on your own. If a garage door stops midway and moves back in upward direction, then it may happen due to malfunctioning infrared sensors. In this scenario, you may notice that one or both sensor lights are not blinking.