If your garage door slips down below the header after you have opened it you garage door springs need to be adjusted.
My garage door slides down after opening.
It depends on the particular door but if you have a two car garage with on wide door getting 7 years out of a set of springs is pretty good.
On 5 10 16 at 1 33 pm to sicboy.
No pieces of plastic to show wear and tear.
If it falls to the floor you may have a broken balance spring on the door frame.
Garage door opener problem.
Took cover off and gears appear to be fine.
Probably due for a spring failure.
Second because of the weak springs the clutch brake in the opener may be.
There are two different types of spring systems for garage doors.
First is your door springs are in need of adjustment.
Slipping down a few inches after opening posted.
Once it slides down does it go back up and stop in the correct place if it doesn t maybe the gear or gear shaft on the motor is stripped.
Once the door is up all the way it s resting on the horizontal parts of the track and the resistance of the motor to turning because it is low geared should prevent it coming back down.
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.
Sometimes the door will open all the way up after it slides back and the light will turn off.