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.
Garage door keep open up immediately after closed.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
This brain can wear out in time so you could need a replacement.
As these wires short against the housing the electrical impulse causes the door opener to activate.
Get logic board replacement.
Stress on the door.
Your logic board needs replaced.
In the fully open or fully closed position the garage door s system is under the least stress from spring tension.
Adjust the close limit adjustment screw on the door opener motor in small increments until the door stops upon touching the floor.
Your garage door s logic board is the brain of your garage door opener.
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.
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.
Open the garage door and watch it closely as it opens.
When the garage door opens about halfway or 5 feet from the ground and stops the up limit switch needs to be adjusted.
There may also be loose wire connections inside the button housing itself.
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.
Since leaving it fully open isn t a safe idea unattended homeowners who leave the garage up just a few inches may vent some air but are overall adding to the strain on the door system decreasing its lifespan.
At the bottom of your door there s a small infrared sensor.
It passes a beam a few inches off the floor from side to side.
Garage door reverses immediately after touching the floor.
The measurement is used to reset the up limit switch on your garage door opener.