Laithan on "The Addams Family"
Monday 30 April 2018 at 02:47
Just wanted to update this thread that it was just a loose wire on the 7 way opto switch board (not the opto itself). I know a lot of threads don't have a conclusion. Another lesson learned but hey, I've got a new opto switch now too 
Source: http://pinside.com/pinball/forum/topic/the-addams-family-3#post-4369732