Engine start; remote no engine

Sonny,

Are you using Fixed #1 for the loop that works and a different channel, most likely Fixed #2, for the one that doesn't?

If so, you must provide power for the TIU itself via either the Aux. Power port or Fixed #1 Input while running trains on Fixed #2 or either of the Variable channels

If there is power into Fixed #2 Input but not into either Fixed #1 Input or the Aux. Power port, Fixed #2 will have power, however, the TIU's red LED will be off and there will not be a DCS signal on Fixed channel #2 Output.

This and a whole lot more is all in MTH’s “The DCS O Gauge Companion 2nd Edition", available for purchase as an eBook or a printed book at MTH's web store!

Barry, I use aux power. red light blinks once. Now I then connect my z4000 also into my tiu into fixed one and two.  Do you think that is my problem.  My camera is old so I need a new one and then I want to put a picture of my layout.  This my help a lot for you to help me.  Your the greatest. Sonny

One more thing Barry,  I'm still 89 birthday oct 3rd;then 90. Any chance that we can have it fixed by then?  Sonny

Sonny,

First, ensure that the output of Fixed #2's RED terminal goes to the center rail and that the BLACK terminal goes to an outside rail. If not, swap the wires at the Fixed #2 terminals.

If that isn't the problem, swap the output of the TIU Fixed #1 and Fixed #2 channels. If the problem stays on the same loop, the problem is in your wiring. If the problem moves to the other loop, the TIU may be suspect.

I will do like you say Barry, and if that does not work then I guess I need a new tiu, since the one I have goes all the way back all moast when they came out.  Thanks again Barry.   Sonny