Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
Garage door opening and closing repeatedly.
An exposed spot or a short circuit in the small gauge wire that leads from the garage.
You push the button to close the garage door.
Your garage door opens when it hits the ground.
It goes partway down reverses direction and goes back up again.
If the door stops short of closing lengthen the close limit by turning the control knob in the direction indicated usually counterclockwise.
If this is not the issue then your sensors will probably need to be aligned.
If you clear all debris and any buildup from the sensors near the floor of your garage door tracks but the motion of your garage door tends to be partially closing and then reversing and opening again you may have a misaligned sensor.
The button can easily get dirty and stuck in the pushed position.
Garage door opener keeps going back up.
Get logic board replacement.
In rare instances a nearby neighbor may have a garage door opener set to the same wireless.
Before you break out your toolbox or call a professional for help take a look at your garage door s threshold.
Clean the button as well as the connections in the housing if this is the case.
They are usually on the motor housing and you access them by opening a panel or removing the housing cover.
In some rare cases a garage door will open or close by itself even if the homeowner hasn t instructed the automatic garage door opener to do so.
The close limit switch may need adjusting.
Your garage door opens immediately after closing.
It may be your garage door sensor.
Inspect the control wiring.
This will cause the door to open and close until the button becomes unstuck.
Your garage door most likely uses two sensors to trigger its reverse mechanism.
If the garage door opens correctly but fails to close completely there may be one of three common causes.
This is actually a very rare problem of all the garage door installation problems you can have but when it happens it s usually a short in the circuit board says andrew richards owner of legacy garage doors an atlanta area garage door repair company.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
If you notice this happen start by seeing if anything is obstructing the sensors field of view.
This is almost always the result of a dirty or obstructed safety feature.
The garage door goes down then back up.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
What to do when your garage door opens and closes by itself check with your neighbors.
If you push the garage door opener switch when the sensors are obstructed or not aligned properly your garage door will reverse and the lights will blink 10 times.
This brain can wear out in time so you could need a replacement.