 Joined: 21/12/2024(UTC) Posts: 1 Location: Oregon, Roseburg
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I just purchased a purportedly new 37777 loco and it only seems to run in analog mode, i.e. when i put it on track it runs full blast on my digital layout with contoller 6021. Does anyone have any suggestions? I have tried the suggested method using the 6021 to change the program, but so far no luck. maybe there is a trick to doing this with the 6021?
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 Joined: 04/02/2011(UTC) Posts: 3,560 Location: Paris, France
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Hello GRW (No first name? No presentation as it is customary here?) The 37777 is a Schienenzepplin reeleased in 2010 Here is the user's manual in case you don't have it https://static.maerklin....2f3cfa795d1434542357.pdfAddress in MM2 = 60 (if not changed by the previous user). MM2 is the only protocol available on your 6021 One possibility is that your 6021 is not set foir MM2 Here is the 6021 manual in case you don't have it https://static.maerklin....1189fe42a71434542461.pdfNormally, all 4 rear switches should be OFF except switch 2 that must be ON (both Motorola and MM2 protocols are activated) All rear switches OFF on the 6021 are only for Motoroila (NOT MM2) If you have a white Märklin transformer, you may check if the direction change works DON'T DO IT with a blue transformer. If it works, chances are your decoder is OK and could need a RESET If you could have access to an MFX station (MS2 or CS3) it would be much easier to analyse and reset NOTE: to program CVs with a 6021, I suggest you read this thread and especially post #2 https://www.marklin-users.net/fo...-Programming-with-M-6021RESET is made by writing CV8 = 8 Cheers Jean Edited by user 22 December 2024 14:38:19(UTC)
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 4 users liked this useful post by JohnjeanB
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