phoenixchris Posted July 4, 2016 Share Posted July 4, 2016 Sorry if this has been asked before... I've bought a second hand Z21 (black), I set it up when I bought it and Ran a loco, all seemed fine. Fast forward three months and I've set it up on the layout. I also have it plugged into a separate program track. What I wanted to do was re program my decoders as I've forgotten what addresses I set them as, however I can't seem to get the Z21 to read any CV's at all, all it comes back with is a error! I've tried various decoders and no difference. Anyone have an idea what I'm doing wrong please? Cheers Link to post Share on other sites More sharing options...
phoenixchris Posted July 4, 2016 Author Share Posted July 4, 2016 From the Z21 and app on the IPhone, didn't know that the Z21 unit needs to be updated as well as the app. I've tested it with a loco that I know the address for and all works fine Link to post Share on other sites More sharing options...
jpendle Posted July 5, 2016 Share Posted July 5, 2016 Dirty programmng track or wheels. I've found that my programming track has to be spotless and so do the wheels on the loco otherwise you get errors reading CV's. Regards, John P Link to post Share on other sites More sharing options...
RMweb Gold Andy7 Posted July 5, 2016 RMweb Gold Share Posted July 5, 2016 If you are giving them new addresses why are you trying to read cv values? If you do give the new addresses all other cv values will remain the same anyway. Hope this helps. Andy Link to post Share on other sites More sharing options...
phoenixchris Posted July 5, 2016 Author Share Posted July 5, 2016 I'll have a go at updating it today, my programming track is separate and clean! Andy it won't read or give the decoder a new address Cheers Chris Link to post Share on other sites More sharing options...
phoenixchris Posted July 5, 2016 Author Share Posted July 5, 2016 I think I have found the route of my problem, for some reason my Z21 has stopped reading the long addresses that are assigned to my locos - in frustration I changed cv29 to use short addressing and everything sprang into life! Now this leads to another problem, why has it lost the ability to respond to long addresses! Link to post Share on other sites More sharing options...
Phil S Posted July 6, 2016 Share Posted July 6, 2016 Just a quick check that the 'long addresses' you were looking for / working with, were not in the range 100-127 ??? Expressnet philosophy as recommended by Bernd Lenz was 100+ is long whilst the nmra advocate 127+ Alternatively, does it read CV29 first, to see if it should then read a long or short address??? (Although I have a Z21, and ProCentrales, I still prefer to use the simple Multimaus and Amplfier to simply ptogram locos - no need to read what the old value was!. 8-) (On our new exhibition/demo layout - since I normally carry a spare control system - I now have a simple Multimaus+AMplifier running a simple 'test track' which allows programming without interrupting normal running on the MultiCentralPro or Z21 running the main layout.) Link to post Share on other sites More sharing options...
panzerzuge Posted July 9, 2016 Share Posted July 9, 2016 You can d/l the Z21 updater onto an Android device from the Google store and do it wirelessly. No Mac version unfortunately although you can use an android emulator on Macs ( and ? iPhones/iPads ) http://www.ngaugeforum.co.uk/SMFN/index.php?topic=24531.msg339475#msg339475 Link to post Share on other sites More sharing options...
panzerzuge Posted July 9, 2016 Share Posted July 9, 2016 However it works better with an android device and the Android Z21 updater http://www.ngaugeforum.co.uk/SMFN/index.php?topic=24531.msg357935#msg357935 Link to post Share on other sites More sharing options...
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