I just saw this thread. My WOZ RR is doing exactly the same thing. Was working OK up until a few days ago. Now my castle door is doing exactly the same thing. During gameplay when the monkey drops the ball behind the castle door, the door opens. Every time. Haven't had a time to do a deep dive on whats happening, but will get into it more tomorrow. As I remember during test mode, dropping the ball behind the door activated the switch and then opened the door. I've been in contact with my distributor and we're trying to work through it. I believe he's been in touch with JJP but I'm not sure. Will look at it tomorrow but thought it was interesting that mine started doing EXACTLY what yours is doing just today. Appreciate any help...thanks.

I adjusted the switch behind the door. It was registering sporadically (by finger and by ball). Moved it up a little and now all is working. Also had to tweak the switch to the left of it as it was sticking. All is good now. Good luck with yours. Hopefully that will help.