Adjusting the position of the track.
Garage door drifts down.
Loosening the screws on the track.
Garage door opener problem.
If it falls to the floor you may have a broken balance spring on the door frame.
Snapped cables should be professionally replaced before you try to use the door again.
When a garage door descends on command but then immediately reverses itself the problem is usually with the sensor eyes along the side tracks or with the door s wheels binding in their tracks.
If that point is more than four feet or less than three feet above the ground you will need to balance the door.
Those inches are needed to get my truck through.
Probably have 2 springs above door and one of them is broken.
Move the garage door up and down until you find a place where the door stays suspended when you let go.
A garage door is considered bound when it s difficult or impossible to move up and down.
Give the door a few test closes and look for gaps around the door.
Place a level on all three surfaces of the hinge side of the door and check.
This model looks like it is new and i would first check the balance of the door by closing the door and releasing it from the opener and lifting the door by hand to waist lever and releasing it to see if it stays in that position or if it slams to the floor.
Use a screwdriver to loosen the screws that are in the tracks to secure it to the garage door frame.
If the door hangs crooked it needs adjusting.
But when the door begins to descend all on its own the problem may point to the opener s logic board or the circuitry inside the motor unit itself.
Use a flat head screwdriver to tighten or loosen the hinge screws at the top of the.
Slipping down a few inches after opening posted.
Plumb means straight up and down.
If the door is not plumb you may have to adjust the hinge in its mortise.
On 5 10 16 at 12 35 pm to sicboy.
Typically when the door is in the up position the bottom of it should be even with or slightly lower than the upper frame of the garage door.
The one that is not is not strong enough to hold door up on its own but strong enough to still open the door.
After the opener reaches upper limit and shuts off it allows the door to drift down a couple of inches.
If the garage door suddenly comes crashing down and will not go back up this is usually the result of a snapped cable.