No problem, Sonny. Let's go over your system from the basics When I use the term "TIU circuit," I refer to Fixed 1, Fixed 2, Variable 1, & Variable 2.
1. To which circuits do you have each of the 5 loops connected?
2. The TIU needs power for its internal circuits, apart from the track circuits. This power can come from a feed connected to Fixed 1, or you can plug a source into the AUX port, which disconnects the feed from Fixed 1. Do you feed it through the AUX port?
3. Looking at the TIU from the input side, internally in the lower left hand corner there is a light. When you are trying to run a train on track 2, is that light lit?
4. What about tracks 3, 4, & 5?
When I see the answers to these questions, I can start to pinpoint the problem.
