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My Command Equipped (TMCC) Lionel GP-9 will run for a couple of minutes than come to a complete stop. I suspected dirty track at first, but after a good cleaning the problem remained. I noticed a flicker in the headlight which is a common sign of a weak signal. I doubled the antenna using copper tape and the flicker disappeared, but the problem remained. I then suspected that maybe the R2LC was the problem, I swapped it out with a spare R2LC-04 and guess what, problem solved. But now another problem developed, no horn, bell or crew talk sounds. I went through the setup procedure setting the engine ID and using the AUX1 #5 program code. The only sounds I get are the diesel revving sounds, nothing else. All other TMCC functions are operable. Did I hit a wrong button and somehow turn these sounds off. Any help would be appreciated.

Original Post

I had a problem with an ERR AC-DC conversion where it would run about a half loop and then quit. I posted the problem in a thread and got an answer from SANTAFEFAN

"This is a known problem with the R2LC in its latter stages of production.  The driver board is probably fine.  For some reason, the AC common through the wheel sets produce a bit more noise on some locos, which affects the R2LC and it resets. The fix is to use an R4LC, with C08 code.  Please contact Ken at ElectricRR and he will arrange a solution for you."

This was the thread...

https://ogrforum.ogaugerr.com/...-sd40-keeps-stopping

Thanks for all the comments so far. His a bit more information as requested. This is an older Command Equipped Lionel GP-9 6-18879. The engine has had several modifications such as a conversion from an AC Pullmor motor to a DC Can motor. The motor driver was replaced with an ERR CC-M. When the engine stalls, I kill the power with emergency triangle button on the Cab 2. I reapply power and she powers right up, so I don't think anything is overheating. I think I may have a C08 or possible a R4LC that I could swap out from another engine. I'll give this a try tonight and let you know. I have learned a lot from my experiments on this engine. Thanks for the support!

Wow, You guys are confusing the heck out of me. He stated he had a existing command controlled engine. How does, the CC- M fit in with the issue? 

If , I get this right....some later production r2lc08 had issues. That a r4lc from err

railroad will work at a replacement? Funny, thing...having a similar issue with a legacy subway car. Randomly, stops in a couple of feet. Engine responds to norm etc.  Engine, will not move again unless unpowered of the reset button is hit on the legacy remote.

Thanks to everyone for your suggestions. Problem solved. I replaced the R2LC-06 with a R4LC-08 and my sounds were restored. I ran the engine for about 20 minutes last night with no problems/shut down. The weird thing, I've added the ERR CC-M to older K-Line models and never had an issue with sounds or shut down. Maybe they were outfitted with an 08 board from the factory. Thanks again!!!

Newt posted:

Thanks to everyone for your suggestions. Problem solved. I replaced the R2LC-06 with a R4LC-08 and my sounds were restored. I ran the engine for about 20 minutes last night with no problems/shut down. The weird thing, I've added the ERR CC-M to older K-Line models and never had an issue with sounds or shut down. Maybe they were outfitted with an 08 board from the factory. Thanks again!!!

Ok, so, newt. you had upgraded to ERR -CCMin a D.C. Motored geep. The CCM requires the use of a r2lc08 and the othe err boards R4lc from ERR.

 

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