MTH Wifi Unit can't find TIUs

The app works fine. The issue is not with your DCS. Most likely a layout wiring issue, DCS interference from TMCC/Legacy engines or defective equipment.

Regardless, it is not any kind of a DCS “bug”.

Barry

 

DCS Ambassador & author of The DCS Companion series of books

Train-Ca-Teers - All For O and O For All!

 

bigtruckpete posted:

“Any engine I put on track 2 will not work with the Wifi app. In fact, when I try to find it, and when I have both tracks powered up, I get the "can't find TIU" message. If I power down track 2 and refresh the app, it finds the TIU right away, but will only  function with trains on track 1. I'm completely at a loss, especially since it did function with both tracks at one point.”

Vance, I have the exact same problem. I’ve tried all kinds of wiring combinations to no avail. The only advice I’ve received and tried was to crank up the power which did not work. I am going to fiddle with it some more later today and I’ll report back if I make progress. 

What about swapping the outputs to track on Fixed 1 &  2. Does the condition follow the Fixed 2 output on the previous Fixed 1 track, or does the problem stay with the track powered previously by Fixed 2?

H1000

Barry Broskowitz posted:

The app works fine. The issue is not with your DCS. Most likely a layout wiring issue, DCS interference from TMCC/Legacy engines or defective equipment.

Regardless, it is not any kind of a DCS “bug”.

Barry,

The app doesn't work fine. That's an easy remark for you to make without seeing what is going on first hand.  I understand your stake in things with the book providing you some source of income, but please don't speak down to those of us (and there are many) who are having this issue. I find it interesting that when I reported back to you that my signal strength is fine, that you didn't reply, but as soon as I call out an issue with the app, you're quick to come to it's defense (within 30 minutes of my post). My wiring is fine, my signal strength is fine, the DCS is fine because it works with all engines on all tracks with the remote, all my equipment is fine, and there is no interference from Legacy equipment because I have none on the tracks.  The only thing that does not work is track 2 with the app. It doesn't take a genius to single out that's the one and only issue. I'm a fairly handy and sharp guy, and usually can find a solution to something like this. Rather than cast blame on where you feel we aren't doing something right, why not try to help further? I've said my piece. 

Vance  I had a problem similar to what you described. Thought I had a channel 2 problem. Sent the TIU to MTH, they said it was fine and put in the new hardware while they had it. Same problem when it came back and I finally found the polarity of my 180W brick was reversed.  Reversed polarity puts power to the track OK but messes up the signal.

H1000 posted:
bigtruckpete posted:

“Any engine I put on track 2 will not work with the Wifi app. In fact, when I try to find it, and when I have both tracks powered up, I get the "can't find TIU" message. If I power down track 2 and refresh the app, it finds the TIU right away, but will only  function with trains on track 1. I'm completely at a loss, especially since it did function with both tracks at one point.”

Vance, I have the exact same problem. I’ve tried all kinds of wiring combinations to no avail. The only advice I’ve received and tried was to crank up the power which did not work. I am going to fiddle with it some more later today and I’ll report back if I make progress. 

What about swapping the outputs to track on Fixed 1 &  2. Does the condition follow the Fixed 2 output on the previous Fixed 1 track, or does the problem stay with the track powered previously by Fixed 2?

Hi,

I've switched outputs from 1 & 2. When I did that, everything ran great from the remote as it always does, but the same issue with track 2 occurs when I use the app,  so that tells me it's not an issue with the DCS. I've tried different power sources, different engines, any variable I can think of and it still will not read track 2, and the remote ALWAYS finds engines on that track despite all the variables.  I thought the app upgrade would have helped, but unfortunately it doesn't. 

kgsouth posted:

Vance  I had a problem similar to what you described. Thought I had a channel 2 problem. Sent the TIU to MTH, they said it was fine and put in the new hardware while they had it. Same problem when it came back and I finally found the polarity of my 180W brick was reversed.  Reversed polarity puts power to the track OK but messes up the signal.

KG,

Thanks. I have a separate brick on each output on my newer ZW and only use 135w bricks.  Even if I put track 2 on a different ZW I have the same issue. If I have the tracks on separate ZW's, would the polarity on the brick I'm using for track 1 make a difference? If you think it would, what would you recommend as a fix?

There may be different  ways to check phasing, but I take what I consider the common side of the transformer output connected together and then take the hot side wires and touch them together. If it doesn't short you are in phase.  In the past there have been some problems with phasing from bricks where the ribbed wire and the smooth wire were wired backward.  The ribbed wire should be common and the smooth wire hot.

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