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Friday 10 November 2017 at 10:15
I think I may have found the problem. Now just need the solution. Started a new thread which I believe is causing the auto launching...
https://pinside.com/pinball/forum/topic/stern-st-le-ball-trough-switches-testing-way-wrong#post-4066966
Source: http://pinside.com/pinball/forum/topic/stern-st-le-auto-launching-ball-at-start#post-4066993