Your garage door opens immediately after closing.
Garage doors go up and down.
This is almost always the result of a dirty or obstructed safety feature.
The garage door goes down then back up.
This will cause the door to open and close until the button becomes unstuck.
Garage doors have many parts that all work together including safety features.
It all depends on the configuration but you likely have a button that activates the door operator.
Your garage door opens when it hits the ground.
The garage door keeps going up and down.
Garage door opener keeps going back up.
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.
But one of the more perplexing issues is when the door goes up and down by itself with no help from you.
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.
Generally for automatic garage doors cables balance out the lifting of the door s massive material so that it would just swiftly go up and down when the sensor is activated.
It may be your garage door sensor.
These garage doors have sensors near the ground to ensure nothing gets stuck underneath the door when it closes.
It goes partway down reverses direction and goes back up again.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
There are four common problems with garage door sensors three of these homeowners can fix themselves.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
It can seem quite ghostly having your garage door operate with a mind of its own.
The garage door cable enables you to pass through a heavy door safe and sound.
If the door goes up seemingly on its own after you close the door be sure to check for any debris the sensor is picking up.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.