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Loco Won't Reverse - Cargo Electric 37340
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Offline Drongo  
#1 Posted : 04 September 2024 09:18:01(UTC)
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Drongo

Australia   
Joined: 03/06/2008(UTC)
Posts: 1,248
Location: Sydney, NSW
This loco suddenly stopped going in reverse direction - everything else is working.

Anyone have any ideas ?

Regards

Greg
Take it easy . . . . or any other way you can get it !!!!
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Offline Paul59  
#2 Posted : 04 September 2024 09:47:39(UTC)
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Paul59

United Kingdom   
Joined: 25/08/2012(UTC)
Posts: 250
Location: South East
Assuming the loco is a traditional analogue one then check the wires from the reverser to the field magnet. There are two wires, one for each direction.
A couple of times I have had a loco stop running in one direction and both times it has been one of these wires either broken or detached.
This is especially likely if the loco is a bogie one such as a diesel or electric since the wires are flexed as the motor bogie moves. Moreso if the wires are a bit short or not routed in a way that allows them to move freely.

If it is a digital loco then I'll leave it to somebody else to advise as I gave up on digital a long while ago.
Good luck Greg.

Paul
Marklin HO using M track. Now reverted to analogue as I find it has more character and is more fun...... and I understand it!
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Offline mvd71  
#3 Posted : 04 September 2024 09:59:36(UTC)
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mvd71

New Zealand   
Joined: 09/08/2008(UTC)
Posts: 1,916
Location: Auckland,
Hi Greg,

Try resetting the decoder, that may fix it (long shot) otherwise I would suspect a faulty decoder.

Cheers….

Mike
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Offline Goofy  
#4 Posted : 04 September 2024 13:20:07(UTC)
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Goofy


Joined: 12/08/2006(UTC)
Posts: 9,273
Delete
H0
DCC = Digital Command Control
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Offline rhfil  
#5 Posted : 04 September 2024 13:50:18(UTC)
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rhfil

United States   
Joined: 05/09/2014(UTC)
Posts: 676
Location: NEW HAMPSHIRE, Somersworth
It has a mfx+ decoder so if you have a CS controller, not sure about the MS, you can do a factory reset. You can also check the decoder and confirm that it has the proper cv for reverse.
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Offline Goofy  
#6 Posted : 04 September 2024 15:00:52(UTC)
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Goofy


Joined: 12/08/2006(UTC)
Posts: 9,273
A tip...check if there is contact between motor and the PCP by pull off mfx decoder and use multimeter to see if there is contact.
H0
DCC = Digital Command Control
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thanks 1 user liked this useful post by Goofy
Offline Drongo  
#7 Posted : 12 September 2024 14:55:07(UTC)
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Drongo

Australia   
Joined: 03/06/2008(UTC)
Posts: 1,248
Location: Sydney, NSW
Thanks everyone for your thoughts.

I had a friend over who ran a few tests using the ESU Lokprogrammer and decoder tester and concluded that it was the decoder causing the problem. Everything else works and to replace the decoder is about A$150 which is too expensive just to have the loco go in reverse. So, I will have a loco that can only go forward which is all I really need.

Regards
Greg
Take it easy . . . . or any other way you can get it !!!!
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