Coyote on "TZ issues"
Monday 25 December 2017 at 20:54
Quoted from snowvictim:Right, so should I remove the gumball machine and examine the switch (replace if bad/broken)?
Check wires first. Removing the gumball is NOT an easy task, so check everything else first. 
Source: http://pinside.com/pinball/forum/topic/tz-issues-3#post-4142219