When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Garage door keeps stopping and going back up.
If these can t see each other when the door is almost shut it will send a signal to the garage door motor to open back up.
Your garage door s logic board is the brain of your garage door opener.
Your logic board needs replaced.
As the door travels a protrusion bumps the limit switch telling the door to stop.
Get logic board replacement.
You push the button to close the garage door.
A garage door that only opens halfway becomes a nuisance for many reasons.
Sometimes this switch can become loose to reconnect the operation of the door push the tab back up that you disconnected by pulling the cord down.
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.
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.
Your garage door sensor works by having two photo sensitive devices on either side of the garage door.
Sometimes the sensors will be in alignment and just as the door gets close to being shut it will vibrate enough to push one sensor off.
Other times it may be a leaf hanging from the bottom of your garage door.
Quite often the cause of your door s malfunction is an improperly set garage door limit.
This requires a simple turn with.
This is almost always the result of a dirty or obstructed safety feature.
Sometimes there could be a box or a garbage can sitting too close to the eyes.
This brain can wear out in time so you could need a replacement.