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Decoder Problem
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[quote]QUOTE: <i>Originally posted by 02F350PSD</i> <br /><br />I am new to the World of DCC and i have purchased the Atlas system. I tried installing a decoder in one of my RS-1s and it has accepted the new code i gave it but now the engine doesn't work at all. I get no movement or lighting. I replaced the wires exactly as the diagram showed. Anyone have any suggestions to what might be wrong? Thank you <br />[/quote] <br />IF at 1st you don't succeed, check the basics. I once was driven crazy by a poor connection caused by dirty track on the programming track! Got all kinds of bizarre stuff when I read back the CV's. Recently I tried programming an engine and setting its address. Typically, the engine number is the address on my pike, and my NCE system is always used in 4 digit address mode. Most of my engines have 3 digit road numbers and thats usually all I punch in. That being said, I programmed a new engine, road number 100, and was shocked to see it would not run! I took it over to my DC test track and it ran fine, but no joy on DCC. I figured I had just purchased a bum decoder and set it aside for later removal. 3 hours later it occured to me while watching TV. There are no 3 digit addreses below 127 on NCE. I assume this has something to do with CV numbers, or have heard something to that effect in the past. I quickly reprogrammed it to 9100 and it ran great! <br />Why the 9? Its just an exponent. See, I model 2 roads, the Western Maryland and the Maryland Midland. Since the 2 roads have engine numbers that overlap, all the other Midland units have an "invisible" 9 in the 4 digit address. This also stops trains errant train movements when engines from both roads are on the rails at the same time. <br />
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