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Monday 25 December 2017 at 09:22
One thing I forgot to mention.. I noticed sometimes while playing the game during the 'no test light ' playing, I could hear the score motor running 2 or 3 times past it's normal run before it would stop and advance to the next ball.
Walt
Source: http://pinside.com/pinball/forum/topic/williams-fun-fest-issueshelp#post-4141736