Legacy 6-84400 won’t run in TMCC

Thanks for any help you can give. I was running at my club when my SD60M #1991 just stopped in the middle of the track, not derailed or any problem I could see. Restarted the engine but it is unresponsive to TMCC. I tried to reset the engine using Aux1 - 0 but still not getting any message. I tried setting the switch to program and reprogramming but still not responding after turning the switch back to run. Is there something I’m missing or does it need to go to servicing? Oh by the way I have a second legacy engine that does the same thing, both ran the same day on same track. They both respond as normal in conventional operation. TIA

Geno

1/25/2012:08 AM

Original Post

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