Most likely this will resolve the situation.
How do you fix a garage door that keeps opening.
If this happens look for a screw on the motor unit to adjust the sensitivity of the opener.
Sometimes a garage door that lowers just fine will fail to open especially in winter.
Especially in winter when rollers sometimes get stiff the door opener might be refuse to open.
If the remote opener is dirty or the batteries are failing it may cause the door to open on its own.
Lubricating rollers can also help with this problem.
Fold a soft cloth around your finger.
To troubleshoot the garage door opener button make sure it s clean and free of debris.
Locate the lens on each side of the garage door at the bottom.
Check the remote opener.
Another easy way to fix a garage door that opens by itself is by checking the remote opener.
If that isn t the problem then try opening and closing the door with the wall switch.
Be sure to double check if there is anything underneath the door if it continues to open back up after you close it.
The button can easily get dirty and stuck in the pushed position.
In the case that the door responds to the switch then there s a good chance it s the remote that has an issue.
This will cause the door to open and close until the button becomes unstuck.
Remove the obstruction or clean the eye to remedy this problem.