There is one on each side of the door.
Garage door opener goes up but not down.
To fix this issue increase the down limit one quarter turn.
They both have lights and both lights should be on.
But it s non functional in a very unusual way.
The home mender dustin luby shows us how to fix a garage door that won t go all the way down.
Otherwise if i just press and release the door goes down maybe an inch and stops.
However if your garage door doesn t bounce back up then you know you have a problem.
Manually lift the garage door and release it when it is opened halfway when the door is appropriately balanced it will neither move up or down but stay in place supported by the springs.
You ll then want to test it again and if it s not right keep adjusting the down limit nob until your garage door hit the board and bounces back up.
If i unlock the door from the track i can lift it up and down with no problems at all.
Turn sure lock off also called vacation lock check the power source where the powerhead is plugged in plug a lamp into the same outlet if the lamp works the power source is ok if the lamp does.
If the door goes up but you can t make it go down you probably need to adjust the sensors.
Click the links below to see inside dus.
It will go up with no problems but it doesn t go down unless i hold down the button the entire way.