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I have MTH Premier Erie Triplex with PS2 that stopped moving.   Just prior, as I was running it, it began to have momentary bursts of speed.  The engine then just took off and I had to hit the E-stop to avoid it flying off the tracks.  I had limited the engine speed to 60 scale miles in the app and it was running at 25 mph just before it sped off so it wasn’t that I accidentally hit the 120mph dial.  After clearing the E-stop, I then tried a restart and the engine sounds came on, but it would not move in forward or reverse.  Frankly, I wasn’t surprised given what had just happened.  I took a shot and tried the feature and factory resets.  I added the engine back into the app with no problem.  The result however was the same — it wouldn’t move.  While all the sounds, smoke etc, still seem to work, the startup did not sound the same in that the engine sounds came on directly without the normal startup sequence.  I checked the battery through the app and it came back as ok.  Before I surrender and take it to get repaired, does anyone have any suggestions as to what actions I may take to give it another try?  I will admit that I am a bit wary in attempting to do much tear down as the Triplex sure looks like a complicated beast.  

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it's very hard to help you or anyone else without having an engine item number? do you tell the doctor you don't feel good and what's wrong without giving any information ! we need the symptom's and exactly what engine you have ps2 3 volt, ps2 5 volt ps 3 ???

then we can help you, I'm assuming you have a older triplex and if so is uses a 8.4 volt  8.4 volt battery and if it's uses  the 5 volt boards and they can fail at any time. you might have engine item number 20-3069-1 !

L:\_Library 1 - Instruction Manuals\Premier\Steam\20ST14482I_Triplex\20ST14482I.PDF (mthtrains.com)

Alan

Last edited by Alan Mancus

Alan, the engine number is 20-3360-1E — Looks like the store which sold it broke up a set.  They are no longer in business.  The instruction manual on the MTH website says that it has a 2.4 volt battery (page 17).  Thanks for pointing me in the right direction.  

https://mthtrains.com/sites/de...ction/20st12579i.pdf

Stan, I’ll give that a shot tomorrow as well.

Thanks for the quick responses.  Bob

Well I own the same engine and it can be difficult to take engine apart and can be easily damaged especially  the draw bar and when dissembled the drive train and gear box and shaft assembly and removal could break something if you don't know what your doing! if it is a board problem the ps 2 3 volt board can sometimes be repaired, and or replaced with a ps 3/2 board!

Where do you live I'm in New Jersey !

Alan

Last edited by Alan Mancus

OK, I tried tightening the multi-wire plug and that didn’t get the hoped for results.  I also tried the conventional transformer and same thing.  Actually, no lights came on at all.  They may have been off last night but I hadn’t noticed.  When I tried direction change in conventional, the whistle blew.  I then hit the whistle control and it blew for that as well.  Sounds like it’s time for professional hands on.  Oh well, thanks for the suggestions.

Bob

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