Universal wall button has no power

Hi, my wall button has no power going to it, reset the breakers but power seems to come on sporadically to the unit.

It will come on, I hit the button, the door will go down 3/4 of the way and then go back up and then power goes out again at the wall switch. Any ideas of what this could be

The lights will come on when I manually open the garage door with my hands. It's weird.

Start by checking the wiring. Look for a loose connection, broken wire, or short.

Is anything hanging from the door that could swing into the path of the safety sensors. Clean the lenses.

Is the closing force adjusted properly?

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