If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
Garage door opener light goes off then back on.
Put the screws back in and plug the opener back in.
To install the new bulb just screw it in.
By wade shaddy updated december 19 2018 you push the button to close the garage door.
It goes partway down reverses direction and goes back up again.
Your logic board needs replaced.
Step 5 lights still on if you find that your lights aren t turning off unplug and replug the opener.
Your garage door s logic board is the brain of your garage door opener.
The garage door opener light will flash twice and the down button will begin to flash press and hold the down button till the garage door reaches the fully closed position press the adjustment button to confirm once again.
Step 2 find the two dials on the back of the power unit.
The opener lights will flash twice and the up button will begin to flash again.
When the logic board wears out it can cause your garage door to close then open and vice versa without explanation.
Get logic board replacement.
To unlock your garage door opener push the lock button for 5 seconds.
This is almost always the result of a dirty.
This brain can wear out in time so you could need a replacement.
Each dial has a recessed adjustment screw in the center of the dial.
Place the stepladder under the garage door opener power unit and climb up so that you have a clear view of the back end of the power unit housing.