letterspider Posted November 18, 2014 Share Posted November 18, 2014 Sorry if this has been dealt with elsewhere. I have read through the forums but can't find an answer to this question. I have a Class 50 DCC Sound bought 2nd hand. It is Illustrious, so a later model. On DC it goes really very slowly, basically crawling along On DCC it goes very well in Reverse with all the sounds working as they should but going Forward it goes very slow, again crawling along. Removed the DCC chip and put in the DCC blanking plate. Ran it on DC and it is again slow in both directions. I've read the CV's from 1 to 6 and they are at factory defaults I am out of ideas. My guess is that there is a problem with the PCB but I don't think there is much chance in finding a replacement. Link to post Share on other sites More sharing options...
BR(S) Posted November 18, 2014 Share Posted November 18, 2014 My initial suggestion, starting with the simplest things, is to apply some lube to the gearing and drive shafts. If it's secondhand, it might have been sitting around un-run for a long time. I recently did this to some of my Dad's locos that ran very poorly and it solved the problem. http://www.modelrailwayforum.co.uk/showthread.php?t=1994 Link to post Share on other sites More sharing options...
letterspider Posted November 18, 2014 Author Share Posted November 18, 2014 Okay, the problem was solved by writing to CV 8 and resetting to defaults. However while playing with my Hornby eLink I found that the colour of the SHUNT button ON/OFF gets confused. I suspect the previous owner may have left it in SHUNT mode. However that does not explain why it was in SHUNT mode in one direction only. Just want to finish off by saying this is a really nice model Link to post Share on other sites More sharing options...
BR(S) Posted November 18, 2014 Share Posted November 18, 2014 Glad to hear the problem is solved. Not sure why that would have affected running on DC though; I assume the decoder was still in it when trying it on DC and it somehow does influence it. Link to post Share on other sites More sharing options...
chrisstiffer Posted November 19, 2014 Share Posted November 19, 2014 By coincidence I was just searching on this very topic, I've also got a Hornby 50, 50018, which I bought second hand and has always run very slowly in DC (I'm not DCC) and I was wondering if it was an endemic problem. It goes a little faster than crawling and is not really a problem for me as I have a terminus layout but wouldn't be acceptable if I was running a through layout. If anyone's got a solution I'd be glad to hear it. Link to post Share on other sites More sharing options...
letterspider Posted January 18, 2015 Author Share Posted January 18, 2015 Class 56 is running well now. Dismantled the bogies and found two broken teeth on one of the cogs which drives an axle. Removed that cog, moved around the lube, everything now working smoothly in both directions. Link to post Share on other sites More sharing options...
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