You push the button to close the garage door.
Garage door starts to close then stops and goes back up.
This is almost always the result of a dirty or obstructed safety feature.
This requires a simple turn with.
Your garage door sensor works by having two photo sensitive devices on either side of the garage door.
Another common cause of garage doors acting this way is a faulty rpm sensor.
Consult your owners manual or a trained garage door technician in replacing the rpm sensor.
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This brain can wear out in time so you could need a replacement.
One for the opening limit and one for the closing limit.
Photo eyes or safety sensors are mounted to the track on either side of the garage door about 6 inches up from the ground.
Your garage door s logic board is the brain of your garage door opener.
When the opener reverses the screw turns the opposite way and the nut travels back.
A garage door that only opens halfway becomes a nuisance for many reasons.
Doing this can save you some amount of cash.
A careless or rushed parking job can cause the car s bumper to block the sensor.
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 photo eyes send an infrared beam across the bottom of your garage door opening if that beam is broken the door will reverse.
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.
The logic board receives and responds signals to any remote.
When the opener is activated the screw rotates causing the nut to move until it reaches the switch.
It goes partway down reverses direction and goes back up again.
Parts can be purchased in online stores or directly from the manufacturer.
If your garage door opens and suddenly stops it might be because of your logic board.
You might need to consider replacing it if your door is not working properly or you may purchase a new opener.
Get logic board replacement.
Quite often the cause of your door s malfunction is an improperly set garage door limit.