Quoted from Fifty:
Thanks. I'll check it out.
Another issue that has reared it's head on my WH2O has to do with the sound. I'll be playing a regular game and hit a target and the Whirlpool Challenge music will start playing. If I lock a ball or start another mode the music will switch back. It's very random. Sound ROM maybe???
Sounds like a loose/dying opto or maybe a bad diode that is causing an opto to trigger. Maybe the one in the bottom of the whirlpool subway at the entry side?