keep the door down. imagine what would happen if you had a broken spring, and you pulled the emergency release when the door was in the raised position! unplug the garage door opener. you don’t want it to start moving while you are examining the door, and you don’t want to get electrocuted.
if your wall switch works, but your remote control unit does not, you may need new batteries or a whole new remote. a professional garage door opener repair expert can hook you up with a compatible remote.
does your garage door only go down all the way when you hold down the button on the wall switch? it’s probably 