Garage door reverses with five blinks on the down arrow and once on the up arrow your garage door could be reversing after going up to about 8 inches.
Garage door opener just up down.
It can seem quite ghostly having your garage door operate with a mind of its own.
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.
Check if the safe t beams red led light is flashing.
If it is a new installation check the postion of the door arm.
Press and hold the up button till the garage door is in the fully opened position press the adjustment button to confirm.
Adjust the limits as needed.
Automatic garage door openers are prone to a variety of problems most of which are fairly easy to fix with routine troubleshooting and maintenance.
Does your overhead door garage door opener just click when trying to operate it.
If your garage door opener has this symptom watch this video to learn why.
Check if the limits are properly set.
You need to manually open the door and close it again.
Make sure only the safe t beams that came with this garage door opener are installed.