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Lash Up Issues

Hello all,

I have thee RailKing PS3 switchers that don't like to lash up reliably.  The lash up can be created as normal but the three engines will not run in unison.  Sometimes the middle loco will not move, sometimes the front and middle locos will not move, there are variations in the sound levels coming from each, etc.  I am able to create a 2-unit lash up without any issues, but adding a third unit causes these things to happen.

My setup is as follows:

-TIU & WIU, both with most recent software/firmware; Throttle is iPhone SE running iOS 13.1.3 (latest version)

-power comes from a Z-1000 brick/controller.

-Small loop of Atlas track - Track has been thoroughly cleaned.

There are two things missing from my setup which I'm thinking may be the solution(s):

-No external TIU power supply

-No light bulb between TIU/track to "soften" the DCS signal, as has been recommended over the years.

Any Ideas?  Thank You in advance!!!

Last edited by NSPhil
Original Post

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