These are typically located on either side of the garage door near the ground.
Garage door keeps going back up when closing.
My garage door keeps reversing and will not close make sure the photo eyes are clear of anything that may interfere with the safety beam.
The garage door goes down then back up.
Your garage door opens immediately after closing.
Garage door opener keeps going back up.
The door sticks while closing or opening check the tracks to confirm they are clean and free of debris that can get in the way of the rollers and make them stop.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
If the track appears to be clean and well aligned then the problem could be with broken or rusty rollers.
Here are some symptoms of the problem.
Get logic board replacement.
Sometimes there could be a box.
Your logic board needs replaced.
It goes partway down reverses direction and goes back up again.
You push the button to close the garage door.
This brain can wear out in time so you could need a replacement.
Look at the photo eyes themselves if there are cobwebs or if there is dust on the lenses the eyes will sense this and.
The garage door keeps going up and down.
Your garage door s logic board is the brain of your garage door opener.
If something gets in the way like a child or a pet the sensors will prevent the door from opening or closing.
This is almost always the result of a dirty or obstructed safety feature.