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Reply to "Similar Problems with TMCC Mikado (6-18079) & TMCC BB1 Pair (6-18364)"

@rplst8 posted:

So a couple of things...

1) You shouldn't need to swap out Lionel bases AFAIK. I'm almost certain you can program new engines from the DCS remote through the TIU connected to the the Legacy Base-1L.  That said, doing it with the TMCC Base and CAB-1 might be more straightforward.

2) The transformer above can put out 20 VAC so I would be careful using that with modern Lionel command engines. I believe they are rated for a maximum of 18V.

2a) I'm not sure what sort of waveform that transformer puts out. Ideally you want something that is a pure sine wave. Someone else here may know more about that particular model K-0954C.

3) When you say the RailSounds from the tender or BB1 "work", when do they turn on? Immediately after applying track power, or after you address them? If the former, that means they are not seeing the TMCC signal. If there are TMCC signal problems, you can try removing the shell and seeing if there is a pinched wire, or in the case of the Mikado a hand rail that is acting as an antenna that is touching the frame.

Sorry it took me a while to reply,

1.) These are not new engines, so I thought I would need to reassign their IDs before programming into my DCS, however after all that I face the same issues.

2.) I usually keep the knob of the transformer at about 75% of the maximum, is that okay?

2a.) How do sine waves affect lionel command engines? (I have never heard of something like this)

3.) When applying power the sounds immediately come on. This leads me to believe that this is a TMCC connection issue. However, while testing over the past few days I noticed the same problem with another one of my engines, but I found that this problem seemed to arise from the track being dirty, so I cleaned the rollers and track. After doing so it worked perfectly fine. Naturally, I tried to do the same with my Mikado however I still had no luck. The Mikado is used, but I was under the impression that the BB1 was brand new, so it puzzles me that it would have this problem. So the main question that has arisen for me now is what else can I do clean to try and remedy the problem on the Mikado (Other than rollers)? Also, is there anyway of these symptoms could have multiple causes(Is this likely the only reason this could be happening or could the problem not involve dirty rollers but have the same symptoms)?

Note: I forgot to mention in my initial post that the BB1 was initially working perfectly but after running for a couple of minutes the problem occurred very suddenly, does this seem like it could be a track or engine cleaning problem?

Thanks for all the replies! I hope I am cracking down on this problem.

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