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I have a new old stock MTH 30-1159-1 PS2 locomotive. When I bought it, it was advertised as new old stock and the seller which is a well known vendor installed what they said was a BCR. I finally decided to place it on the track and give it a try. It only starts up in conventional mode, smokes and runs fine in conventional but I am unable to get the TIU to recognize it. When power is applied to the track the locomotive starts immediately and when the power is shut off it also shuts off immediately, no shutdown sequence. The BCR that was installed is only a 35 volt 1000 UF capacitor. I can only think this is not sufficient to supply power. I have included some photos that may help identify what I have. The owners manual references the 8.4 volt battery as a replacement. IMG_20191109_140027IMG_20191109_140002IMG_20191109_135951IMG_20191109_135927IMG_20191109_135810 

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if I were you I would temporarily put a 9 volt battery inside the engine and  then try you're  engine the sounds should continue for 7 to 10 seconds otherwise your engine will not save its setting on power down,.

ps do not leave the 9 volt battery in engine just use as a test and see if it will work maybe even try a conventional reset with  a know good battery! after reset you should get 2 whistle tots and you'll know the reset   worked! 

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p.Ss the cap you said is in your engine is the wrong one!!!!!!!!!! there a 2.5 Farid capacitor not a 1000 uf!

Last edited by Alan Mancus

"BCR" is a trade mark for a particular brand of supercapacitor which is available  in different models for the old 5-volt PS2 board, which I believe you have and which used an 8.4-volt battery, and the newer 3-volt boards which use 2.4 volts.  The BCR is a well-rated product.

I have converted all my locos to use supercapacitors which I fabricated myself, and I use 2.5 F (much larger than 1000uf), but mine are all 3-volt units. 

Do be aware that the life expectancy of a 5-volt board is not good. 

That capacitor you are showing does not appear to be adequate. 

Thanks guy's for your comments. I will take them under advisement. I have ordered a 8.4 volt BCR and replacement battery connection.

This loco looks to have started its life as a Locosound and has been upgraded. Mind you it shows no evidence of being on the track. the upgrade may have taken place to make it more marketable, hence the missing proto coupler. It does show evidence of a board having been in the locomotive due to screw markings on the frame. The whole harness is new though. After installation of the bcr I'll try a reset and see what happens. Any additional comments to confirm what this is or what I have would be appreciated. 

Joe Allen posted:

      What you really have is a Loco-Sound engine in the wrong box.  The board and no Proto-Coupler is the give away. That's how a Loco-Sound works. Conventionally only and sounds quit with the removal of track power. I would send it back!

I'm afraid that Joe is 100% correct, you got taken!  That is NOT a PS/2 board.  Here's a side view of the 5V PS/2 board, your looks nothing like this.

patternpilot posted:

So what do you guys think this is? The engine has a tach sensor. Should I just throw it away? Is there any hope?

It sure takes the wind out of your sails when this happens. Thank God for Mr. Scotch. 

It's a LocoSound engine, nothing wrong with it, it's just a conventional engine.  LocoSound has speed control and uses the tach sensor.

I have not contacted the seller yet. I bought this a while back (less than a year) and never opened the box until the other day when the discovery was made. Not sure what they may say and I haven't made up my mind what I want to do yet. I have learned one lesson though. When you buy something take it apart and inspect it to make sure you receive what was advertised and purchased. 

I do want to thank everyone here for their input. This is a great resource for us who are still in the learning mode about model trains. 

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