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Reply to "MTH Wifi Unit can't find TIUs"

masoner posted:

Firstly I must publicly thank Nicholas Jones of MTH who spent days with me trying to find the problem

We started by updating and resetting everything then removing all from track and adding engines one by one and testing, I got to 3 MTH engines to work then it failed again with the "no active TIU found" message, also TMCC engines failed to load same message. 

It did look like a problem with the handshaking between the WIU and the TIU because as previously stated the remotes were still working, it was just the WIU to TIU connection that was failing.

However here is the good news, as a last ditch effort this morning in order to minimize any problem with the connection between WIU and TIU I added a separate dedicated  power supply to the TIU via the  "power" socket

As of now all my TMCC and MTH engines are running

Well done Nicholas

 

I'm really glad you got your issue(s) worked out.  Thanks for your comments and I'll pass them on to Nicholas.  

Let me try to clarify some things that may have been contributing to your woes.  

First, if the TIU is connected to the WIU via USB then the TIU itself is powered however, the track may not be.  You cannot read engines on the track without track power.

If you power the TIU via fixed 1 input then, the track connected to fixed 1 only is powered.  In this case, there is no difference in terms of the TIU behavior.  Said differently, if you are having success powering the TIU with aux power then, powering the TIU using fixed 1 will produce the same results.  The TIU doesn't know the difference between these power sources.

Finally, TMCC engines cannot be "loaded" into the remote or app.  TMCC engines can only be communicated to and do not respond in any way.  There is no way for the system to load them or know if they are on the track or not.  The user must tell the remote or app that a TMCC engine is active.

Again, glad to hear things are working well now.  Even if the cause is unclear.  Maybe the track power supply you were using as input to fixed 1 has some noise or something.  What is the power supply you were using to power the TIU via fixed 1?  Is it operating on 50 Hz? 

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