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Offline rustya  
#1 Posted : 21 August 2020 17:25:05(UTC)
rustya

United States   
Joined: 21/06/2016(UTC)
Posts: 19
Location: California, Placerville
I have just installed the new #60906 decoder in Marklin 3085 steam lok. I left the motor as is, and installed the new decoder according to the wiring diagram. The lok grows when turned on, it tries to move the lok a little then it stops. Non of the functions seem to work. Not sure what I have done, any help would be great.
Offline JohnjeanB  
#2 Posted : 22 August 2020 00:41:20(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,084
Location: Paris, France
Hi
It looks very much like a wiring error
Please double check with the user's manual here https://static.maerklin....50577f20411591099737.pdf
- Brown= Frame ground and rails)
- Red= slider
- green = Motor inductor 1 Attention NOT the motor brush
- blue= Motor inductor 2 Attention NOT the motor brush
- black = Motor collector (not the one connected to the inductor coils) through the choke
- grey and yellow= front and rear headlights
Make sure all previously-existing-motor-connections have been removed except: the choke and the inductor to one brush holder connection.
I hope this helps
Jean
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