Your garage door opens when it hits the ground.
Garage door goes up a little then back down.
Garage door opener keeps going back up.
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.
If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs to be adjusted.
Even if i hold the button down the garage door returns up after a foot or so.
You push the button to close the garage door.
It may be your garage door sensor.
The garage door keeps going up and down.
It can be a small toy or a garbage can that triggers the function of the mechanism.
Modern designed garage doors have a reversing mechanism that prevents the door from crashing into something on its way.
Manually i can raise and lower the door without any problems.
It goes partway down reverses direction and goes back up again.
If i dis connect the door from the chain it still does the same thing.
If you think that there is nothing that is blocking the way check the lenses and give it a little cleaning.
Your garage door opens immediately after closing.
I get 5 blinking lights after the door returns back up.
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.
Your travel down setting needs to be adjusted.
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.
Measure the distance of the gap from the bottom of the.
If it falls to the floor you may have a broken balance spring on the door frame.
Possible reasons why your garage door hits the floor then goes back up as is the case with so many issues at the home there s no one reason why your garage door closes then opens.
Here s a rundown of some of the possible reasons this can be happening.
This is almost always the result of a dirty or obstructed safety feature.