irishrail123 Posted December 25, 2012 Share Posted December 25, 2012 Hi Gents, So i just got a Bachman Dynamis DCC controller and fitted and 071 and a 201 with the chips. Everything works fine but... F3 puts on the cab lights fine... F4 is soposed to do the cab light in the other cab but doesnt work. I am brand new into the dcc thing so havnt got a clue! Any help or suggestions would be great. Thanks Quote Link to comment Share on other sites More sharing options...
Robert Davies Posted December 25, 2012 Share Posted December 25, 2012 Simple question, what chips did you use? -Rob Quote Link to comment Share on other sites More sharing options...
irishrail123 Posted December 25, 2012 Author Share Posted December 25, 2012 The "official" murphy models one. Have the same problem in both locos Quote Link to comment Share on other sites More sharing options...
irishrail123 Posted December 25, 2012 Author Share Posted December 25, 2012 Ok it looks i got it sorted. opened up my 201 and pushed the chip in at bit more and now it works. gonna have to do the same on my 071 which is a bit more painful then 201's lol. Quote Link to comment Share on other sites More sharing options...
Robert Davies Posted December 25, 2012 Share Posted December 25, 2012 The "official" murphy models one. Have the same problem in both locos Apologies for the simple stuff first of all.... You should have an MM0004 chip in the 201, and an MM0005 chip in the 071 - The chips are different for the 071 from the 201 because the circuit boards are setup differently in each loco. 1. When you find that you cannot select the 'other' cab light, can you change the direction of the loco, and does the 'other' cab light up then, or when you press F4? 2. Can you swap the chips between the locos? Try 1. again. It should 'just work'. -Rob Quote Link to comment Share on other sites More sharing options...
irishrail123 Posted December 25, 2012 Author Share Posted December 25, 2012 Yes i deffinately have the right chip in the right locos and thats them MM0004 and 5. Pushed it a bit more in 201 and it works fine now, still cant get it on my 071 yet though. everything but cab light in F4 works. When i change the direction of the loco everything is the same. same cab light works and other doesnt. Quote Link to comment Share on other sites More sharing options...
Robert Davies Posted December 25, 2012 Share Posted December 25, 2012 OK last suggestion for now.... Remove the chip, put the blanking plate back in and try the loco on DC to see if the cab light works there - I keep a 9volt battery handy for just these occasions(!) If is still doesn't work, I suspect that it's failed. -Rob Quote Link to comment Share on other sites More sharing options...
Dave Posted December 25, 2012 Share Posted December 25, 2012 I have the Dynamis system, I had the same problem on a class 45, turned out to be a bad connection in the cab light. Quote Link to comment Share on other sites More sharing options...
irishrail123 Posted December 25, 2012 Author Share Posted December 25, 2012 thanks lads, yes appears something wrong with loco. put the chip into a different 071 and it works just fine. Quote Link to comment Share on other sites More sharing options...
Robert Davies Posted December 25, 2012 Share Posted December 25, 2012 That's a shame, but at least it looks like you've nailed down the issue. A common cause of failure (certainly in Bachmann 37s that I happen to have oodles of, don't ask...) is that the wires running forward to the lights get trapped/chafed/broken between the body, chassis or screw holes, and any combination of those three places. The most vulnerable place that I can spot on an 071 is the main body screwholes between the circuit board and the speaker. -Rob Quote Link to comment Share on other sites More sharing options...
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