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Question Marklin decoder replacement - Marklin 3184 Serie Am 4/4 decoder
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Offline StanN  
#1 Posted : 11 November 2023 18:01:22(UTC)
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StanN

United States   
Joined: 16/02/2023(UTC)
Posts: 10
Location: Florida, St Augustine
I recently purchased a Marklin 3184 Serie Am 4/4 and the decoder does not work. What would be a suitable (MFX) replacement?[img=null]Marklin box[/img]IMG_0273.jpg I have a CS3+ system.
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Offline einotuominen  
#2 Posted : 11 November 2023 19:26:19(UTC)
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einotuominen

Finland   
Joined: 19/09/2022(UTC)
Posts: 464
Location: Kaarina
Hi,

This is originally an analogue loco so it has been retrofitted later on.

If you want to have sounds then I’d recomend Märklin mSD3 or ESU Loksound 5.

If you don’t want sound, then Märklin mLD3 or ESU Lokpilot.

-Eino
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Offline StanN  
#3 Posted : 11 November 2023 20:19:16(UTC)
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StanN

United States   
Joined: 16/02/2023(UTC)
Posts: 10
Location: Florida, St Augustine
Thank you.
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Offline einotuominen  
#4 Posted : 11 November 2023 20:58:27(UTC)
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einotuominen

Finland   
Joined: 19/09/2022(UTC)
Posts: 464
Location: Kaarina
If you can open the loco and post a few phots of it, then you can get more detailed recomendations. 👍

-Eino
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thanks 1 user liked this useful post by einotuominen
Offline StanN  
#5 Posted : 11 November 2023 22:09:13(UTC)
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StanN

United States   
Joined: 16/02/2023(UTC)
Posts: 10
Location: Florida, St Augustine
Here's the exterior and both side of the interior. I'm Guessing that I'm going to need a motor replacement also.
Marklin 3184 loco.jpgMarklin 3184 loco interior a.jpgMarklin 3184 loco interior b.jpg
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Offline PerR  
#6 Posted : 11 November 2023 22:36:35(UTC)
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PerR

Denmark   
Joined: 19/05/2014(UTC)
Posts: 67
Location: Sjælland, Kirke-Hyllinge
this locomotive has been updated with a 5 pole motor, and to obtain mfx I will recommend a 60972 decoder if you don't want sound and a 60986 decoder if you want diesel sound.

Best regards
Per
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Offline bph  
#7 Posted : 11 November 2023 22:37:03(UTC)
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bph

Norway   
Joined: 04/08/2018(UTC)
Posts: 1,244
Originally Posted by: StanN Go to Quoted Post
Here's the exterior and both side of the interior. I'm Guessing that I'm going to need a motor replacement also.

If the motor works fine you don't need a new one, only a decoder like einotuominen suggested. (the motor was upgraded when the decoder was installed)
I also suggest that you consider using the Märlin 276770 Lamp socket adapter in lap sockets and e610080 bulbs. (eliminates flikering)
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thanks 2 users liked this useful post by bph
Offline cintrans  
#8 Posted : 11 November 2023 23:35:21(UTC)
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cintrans

Aruba   
Joined: 11/07/2018(UTC)
Posts: 239
Location: Aruba (general), Oranjestad
Your sure the decoder does not work?
The decoder has dip switches, your CS3+ will not automatically find the lok when putting it on the track...

Regards
Jean-Pierre
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Offline kiwiAlan  
#9 Posted : 11 November 2023 23:39:22(UTC)
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kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,601
Location: ENGLAND, Didcot
As others said, the motor has already been upgraded.

BUT before rushing out and buying a new decoder it would be worth checking the motor - it may just need a clean, oil and/or new brushes. After doing that desolder one of the wires off the brush holder and use a 9V battery or similar DC source to see if the motor runs before trashing the decoder.

The decoder fitted is from the c90 family, which were available as an upgrade kit. It has the two potentiometers visible through the hole in the back plate. One sets the top speed and the other sets the momentum (acc/deceleration) rate.
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Offline Martti Mäntylä  
#10 Posted : 12 November 2023 01:23:01(UTC)
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Martti Mäntylä

Finland   
Joined: 15/11/2018(UTC)
Posts: 435
Location: Uusimaa, Helsinki
Originally Posted by: cintrans Go to Quoted Post
Your sure the decoder does not work?
The decoder has dip switches, your CS3+ will not automatically find the lok when putting it on the track...

Regards
Jean-Pierre

Indeed. Are you certain that you are commanding the loco with the correct address?

In addition, the dip switches may have become oxidised. Flipping each back and forth may help.

- Martti M.
Era III analog & digital (Rocrail, CAN Digital Bahn, Gleisbox/MS2, K83/K84), C & M tracks, some Spur 1
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Offline StanN  
#11 Posted : 14 November 2023 17:57:34(UTC)
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StanN

United States   
Joined: 16/02/2023(UTC)
Posts: 10
Location: Florida, St Augustine
Thank you for all the suggestions.
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