If the garage door does not close completely or begins to close and then opens back up again the down limit switch needs.
Garage door opener starts to close then stops.
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.
Locate the lens on each side of the garage door at the bottom.
Fold a soft cloth around your finger.
How to fix a garage door that keeps reversing.
The lenses will most likely be attached to.
In fact you really shouldread the entire garage door repair it will make troubleshooting later much easier.
This also tells us that the tracks are free from any obstructions and that the problem is in either the eye sensors or the garage door opener itself.
Close the garage door with the opener and watch it closely as it closes.
Garage door reverses immediately after touching the floor when the garage door immediately leaps upward after touching the floor this too is a close limit switch problem.
Holding the button down on the inside of the garage bypasses the obstruction safety device of the garage door opener.
Adjust the close limit adjustment screw on the door opener motor in small increments until the door stops upon touching the floor.
Remember that sometimes a garage door opener can increase the binding in a.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
The travel limit switch mounting setscrew can vibrate loose allowing it to move or fall off.
There s a small lip on the outer perimeter of the lens.
If your garage door opens and suddenly stops it might be because of your logic board.
Clean the lenses with the cloth.
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.
Disconnect the garage door opener from the door and go through the troubleshooting routine on the garage door repair page.
Doing this can save you some amount of cash.
The 3rd cause is a malfunctioning travel limit switch.