Some odd things happening with my MTH engines

Tom,

Most likely you have either  a layout power/wiring issue or a problem TIU problem, not a DCS software issue.

Try swapping to a different TIU channel, making sure to give the TIU power for itself via either Fixed #1 In or the Aux. Power port.

If the problem stays on the same track, the issue is most likely with the track wring. If the problem goes away or moves to a different track, the problem could be a defective TIU channel.

Barry,

Thanks, but which problem are you referring to, or can they all be TIU problems?  I only use one TIU channel, the fixed 1, and never had the problem before.  All the wiring was OK before the TT install, and all the TT added was the engine stalls.  I have 4 other MTH engines with no problems.

I already power the TIU with a Z500 transformer, which comes on before the Z4000 track power is turned on. 

I'll try a different channel.  Should I reset the TIU?

Tom

A bunch of dead end engine stall tracks can overload a TIU channel with signal echos.

Put those on Fixed 2 out and leave Fixed 1 as it was prior to the TT install.

Optionally you can install a rotary switch so only the stall track you want has power.

OR

A set of Toggle switches (One per stall) so you can fire up any given pair of stalls to swap engines around.

The engine firing up and taking off sounds like a loose connection to that track.

Power on after TIU is up, it comes up conventional, bump power off / on and it's in forward with Full Command power on the track. It gonna jackrabbit off the layout.

Thus the reason to kill the power to stalls not in use at the time.

Procedure to use this setup:

Select the engine in the remote (can throw error, ignore it), Toggle power on, Press start up to force engine into command mode.

Then proceed as usual.