Open the garage door and watch it closely as it opens.
Garage door keep open up immediately after closed.
This is almost always the result of a dirty or obstructed safety feature.
When the garage door immediately leaps upward after touching the floor this too is a close limit switch problem.
This brain can wear out in time so you could need a replacement.
Your logic board needs replaced.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
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.
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.
The symptom of this is a garage door that is in constant motion opening fully then immediately descending only to start the same cycle again.
The measurement is used to reset the up limit switch on your garage door opener.
In the fully open or fully closed position the garage door s system is under the least stress from spring tension.
Stress on the door.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Adjust the close limit adjustment screw on the door opener motor in small increments until the door stops upon touching the floor.
Other times it may be a leaf hanging from the bottom of your garage door.
Measure the height where the door stops while it is being opened.
Look at the photo eyes themselves if there are cobwebs or if there is dust on the lenses the eyes will sense this and cause the door reverse.
It passes a beam a few inches off the floor from side to side.
As these wires short against the housing the electrical impulse causes the door opener to activate.
There may also be loose wire connections inside the button housing itself.
Sometimes there could be a box or a garbage can sitting too close to the eyes.
Get logic board replacement.
At the bottom of your door there s a small infrared sensor.