There may be two nuts on one track.
Garage door opener stops and goes back up.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
If it is a new installation check the postion of the door arm.
You push the button to close the garage door.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
A motor drives a trolley or carriage along a rail.
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As is the case with so many issues at the home there s no one reason why your garage door closes then opens.
By adjusting the starting position of whichever nut the opening and closing limits are set.
Adjust the limits as needed.
They can also cause the ope.
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Possible reasons why your garage door hits the floor then goes back up.
It goes partway down reverses direction and goes back up again.
Try making small adjustments.
This is almost always the result of a dirty or obstructed safety feature.
Make sure only the safe t beams that came with this garage door opener are installed.
Garage door starts down then stops and goes back up or safe t beam system malfunction.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
Here s a rundown of some of the possible reasons this can be happening.
Open the garage door and watch it closely as it opens.
One for the opening limit and one for the closing limit.
This is related to the up limit switch.
The garage door opener limit switch tells the motor that lifts and lowers the garage door when to stop running.
When the opener reverses the screw turns the opposite way and the nut travels back.
Check if the limits are properly set.
Standard garage door openers have a similar design.
The main difference between garage door opener models is how the motor moves the trolley.
Your travel down setting needs to be adjusted.
Check if the safe t beams red led light is flashing.