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.
Garage door stops or reverses.
Repeat the same steps if your garage door opens and reverses.
Well sometimes it does.
Garage door reverses immediately after touching the floor.
Quite often the cause of your door s malfunction is an.
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.
Check the bottom of the door.
A garage door that only opens halfway becomes a nuisance for many reasons.
Then sometimes it reverses at the bottom sometimes it reverses right after it starts moving.
If it still reverses raise the door halfway and stop it.
Garage door opener stops or reverses when activated my garage door opener doesn t close all the time.
Because most pre 1982 garage door openers do not comply with current safety standards the consumer product safety commission cpsc recommends replacement with an opener that has an auto.
When the garage door immediately leaps upward after touching the floor this too is a close limit switch problem.
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.
Adjust the close limit adjustment screw on the door opener motor in small increments until the door stops upon touching the floor.
Therefore some pre 1982 garage door openers may have been manufactured with other safety features which may stop the door but not cause it to reverse.
If there s anything stuck to the bottom of the door such as a leaf a small piece of paper.
Liftmaster garage door openers are designed to stop if it senses a resistance or an obstruction while opening.