This is almost always the result of a dirty or obstructed safety feature.
Garage door opener stops and reverses.
Garage doors openers 412 356 2025.
Garage door openers also feature a mechanism that reverses a closing door when the door contacts an obstacle.
When the opener reverses the screw turns the opposite way and the nut travels back.
One for the opening limit and one for the closing limit.
Garage doors openers.
You push the button to close the garage door.
Some models have two screws labeled.
It goes partway down reverses direction and goes back up again.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
Follow the opener manufacturer s instructions for testing the unit s safety features.
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If you are finding that your door is reversing for no apparent reason here are a couple things that you can check to see if the issue has to do with the photo eyes.
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When the opener is activated the screw rotates causing the nut to move until it reaches the switch.
Newer garage door openers can also improve security.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
This is a safety feature that has been added to garage door openers to help prevent the door from closing on a car pet or even a child.
Locate the limit switch adjustment either on the back of the opener or behind the light bulb s lens cover.
There may be two nuts on one track.