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I recently installed a Digitrax DH123P decoder in a new Athearn AMD103 that has the newer motor and the DCC quick plug (don't think it is considered Genisis). The engine ran fine for about 2-3 hrs use, speed was almost identical to a twin I have. I noticed it was slowing down considerably compared to the other one I have. When I popped off the shell to investigate, I noticed the motor was pretty warm and the decoder was hot. I opened the shell to its twin and both the motor and decoder were cool to the touch. They were MU'd together at the time so one would expect them to be the same. Like I said it was going slower that it's twin (uncoupled them to compare speeds). Is this a motor problem or a decoder problem? Thanks, Mike in Tulsa
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