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davo_vespa		#1 Posted : 14 November 2018 02:32:15(UTC) Retweet
Joined: 04/05/2017(UTC) Posts: 45 Location: Victoria, Melbourne		Hi, I've got a Roco Ludmilla circa 2005 (69913) which is as dead as a doornail on my Märklin analogue system (6647 transformers). Märklin loks (analogue & digital) work fine. I know for some Märklin digital I need to set the switches to off but have no experience with Roco. Am I missing something obvious here or is it just buggered? Thanks for your help, David
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river6109		#2 Posted : 14 November 2018 03:39:44(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,725 Location: On 1965 Märklin Boulevard just around from Roco Square		David, it could depend on which decoder is installed in the Roco loco. whether or not one has to program the decoder I'm not sure. ESU decoders automatically recognizes the system you're running., for the decoder to work it should have a multi protocol system., if you have more information about the decoder it would help, did you buy it new or used ? John
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davo_vespa		#3 Posted : 14 November 2018 03:55:09(UTC) Retweet
Joined: 04/05/2017(UTC) Posts: 45 Location: Victoria, Melbourne		Originally Posted by: river6109 David, it could depend on which decoder is installed in the Roco loco. whether or not one has to program the decoder I'm not sure. ESU decoders automatically recognizes the system you're running., for the decoder to work it should have a multi protocol system., if you have more information about the decoder it would help, did you buy it new or used ? John Thanks John, Picked it up second hand. The decoder would appear to be a Roco Motorola 10738....does that help? https://www.roco.cc/en/p...0-004002-1/products.html Sorry, way out of my depth when it comes to these things....I'm just a simple analogue man!! Happy Days, David
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MaerklinLife		#4 Posted : 14 November 2018 05:19:56(UTC) Retweet
Joined: 03/02/2016(UTC) Posts: 490		Analogue is probably turned off in the decoder. Off to a friend (or dealer) with a DCC layout and have it turned on again. Also try and reset the decoder to the factory settings.
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H0		#5 Posted : 14 November 2018 08:12:01(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,267 Location: DE-NW		Hi! Originally Posted by: davo_vespa The decoder would appear to be a Roco Motorola 10738....does that help? Not really. Roco used this ref. number for several different decoders, AFAIK including Lenz and ESU. Are you sure the loco still has the factory-installed decoder? A photo of the decoder might help.
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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TEEWolf		#6 Posted : 15 November 2018 00:53:42(UTC) Retweet
Joined: 01/06/2016(UTC) Posts: 2,465		Originally Posted by: davo_vespa Hi, I've got a Roco Ludmilla circa 2005 (69913) which is as dead as a doornail on my Märklin analogue system (6647 transformers). Märklin loks (analogue & digital) work fine. I know for some Märklin digital I need to set the switches to off but have no experience with Roco. Am I missing something obvious here or is it just buggered? Thanks for your help, David Try a look here https://www.roco.cc/en/s...digitalmodule/index.html There is a manual for a lokdecoder AC 10738 listed. https://www.roco.cc/uplo...nts/pdf/10738_V_2007.pdf
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H0		#7 Posted : 15 November 2018 07:58:36(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,267 Location: DE-NW		Originally Posted by: TEEWolf There is a manual for a lokdecoder AC 10738 listed. Several different versions of the 10738 have been sold over time, each version came with an incomplete decoder-specific manual. Linking to one version of the 10738 manual that may not even correspond to the decoder in the Ludmilla is of limited use.
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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TEEWolf		#8 Posted : 15 November 2018 23:49:57(UTC) Retweet
Joined: 01/06/2016(UTC) Posts: 2,465		Originally Posted by: H0 Originally Posted by: TEEWolf There is a manual for a lokdecoder AC 10738 listed. Several different versions of the 10738 have been sold over time, each version came with an incomplete decoder-specific manual. Linking to one version of the 10738 manual that may not even correspond to the decoder in the Ludmilla is of limited use. Did not know that Roco is doing such a shoddy quality. But I prefer Märklin anyway. This is the reason why I post at marklin-users.net - a Märklin and not a Roco community.
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river6109		#9 Posted : 16 November 2018 01:56:35(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,725 Location: On 1965 Märklin Boulevard just around from Roco Square		Originally Posted by: TEEWolf Originally Posted by: H0 Originally Posted by: TEEWolf There is a manual for a lokdecoder AC 10738 listed. Several different versions of the 10738 have been sold over time, each version came with an incomplete decoder-specific manual. Linking to one version of the 10738 manual that may not even correspond to the decoder in the Ludmilla is of limited use. Did not know that Roco is doing such a shoddy quality. But I prefer Märklin anyway. This is the reason why I post at marklin-users.net - a Märklin and not a Roco community. What do you mean ? shoddy quality ?
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H0		#10 Posted : 16 November 2018 07:07:57(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,267 Location: DE-NW		Originally Posted by: TEEWolf Did not know that Roco is doing such a shoddy quality. But I prefer Märklin anyway. A crippled version of Roco 10738 was used for several Märklin locos like BR 120.0 or Sybic a few years ago. Basically Roco 10738 without DCC. Some Märklin locos came with three different decoders over time (FX with DIP switches, programmable FX, mfx) - and the manual available for download only covers the latest decoder. Märklin is the market leader and with respect to shoddy quality they beat Roco anytime... What is shoddy about Roco in this case?
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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TEEWolf		#11 Posted : 17 November 2018 01:18:19(UTC) Retweet
Joined: 01/06/2016(UTC) Posts: 2,465		Originally Posted by: river6109 Originally Posted by: TEEWolf Did not know that Roco is doing such a shoddy quality. But I prefer Märklin anyway. This is the reason why I post at marklin-users.net - a Märklin and not a Roco community. What do you mean ? shoddy quality ? Quote: @H0 was writing in post #10 "Several different versions of the 10738 have been sold over time, each version came with an incomplete decoder-specific manual." How would you name this insufficient and/or bad work of documentation in English?
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H0		#12 Posted : 17 November 2018 10:46:25(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,267 Location: DE-NW		Originally Posted by: TEEWolf How would you name this insufficient and/or bad work of documentation in English? Märklinesque?
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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davo_vespa		#13 Posted : 18 November 2018 02:31:23(UTC) Retweet
Joined: 04/05/2017(UTC) Posts: 45 Location: Victoria, Melbourne		Hi All Thanks for your input. I was hoping an AC Roco would be a simple "plug & play" product but it would appear to be somewhat more complex.... As such, I have returned the lok and will stick with Märklin in the future. Happy Days, David
1 user liked this useful post by davo_vespa		xxup
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H0		#14 Posted : 18 November 2018 10:50:21(UTC) Retweet
Joined: 16/02/2004(UTC) Posts: 15,267 Location: DE-NW		Originally Posted by: davo_vespa I was hoping an AC Roco would be a simple "plug & play" product but it would appear to be somewhat more complex.... Out of the box with the factory settings Roco AC locos work on analogue layouts. When an old second-hand item does not work then this could be due to a defective decoder or the result of changed settings in the decoder or maybe even a replaced decoder. Same goes for Märklin. I've had Märklin locos where the decoder was defective - analogue operation was still possible, but digital did not work.
		Regards Tom --- "In all of the gauges, we particularly emphasize a high level of quality, the best possible fidelity to the prototype, and absolute precision. You will see that in all of our products." (from Märklin New Items Brochure 2015, page 1) ROFLBTCUTS
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river6109		#15 Posted : 18 November 2018 14:00:55(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,725 Location: On 1965 Märklin Boulevard just around from Roco Square		David, it is easy to plug and play, its like buying a car but you don't have the key to start the car. digital decoders have certain settings for DC, DCC, Analog and Motorola systems and most of them recognize the system you're operating under., as mentioned before if it is a new decoder. next time you buy a loco make sure the settings are for analogue locos. John
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1 user liked this useful post by river6109		davo_vespa
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kiwiAlan		#16 Posted : 19 November 2018 22:45:17(UTC) Retweet
Joined: 23/07/2014(UTC) Posts: 8,109 Location: ENGLAND, Didcot		Originally Posted by: H0 I've had Märklin locos where the decoder was defective - analogue operation was still possible, but digital did not work. I have seen this happen with a Delta decoder that had the solder jumpers for address selection. It worked fine on analogue, but not on digital. The problem was the solder jumper had a dry joint. Redoing the jumper restored digital operation.
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