I am having troubble with my GB Pro, and the Scolari brothers / terror dog hurry up / book stacking starts all the time,... I mean all the time. I thought it to be a bad standup switch where the right captivball is but after fiddeling with it for some time in the test it registers normal and only when really activeted / hit by captiveball.... I mean the scolari brothers drop-targets goes up all the time without hitting captive ball... Any tips on what to do next... ?