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Offline StuartA  
#1 Posted : 29 December 2014 15:29:08(UTC)
StuartA

United States   
Joined: 22/01/2011(UTC)
Posts: 121
Location: Long Island, NY
I have a V200 39800 locomotive with a problem. It doesn't run. Using MS2 with the sound turned off I can hear a whine from the motor when the speed is turned up, but the loco doesn't move. When I removed the shell I found that the motor was very hot. I removed the motor from the truck and ran it free. Again it whined, but didn't turn. I found that I can turn the flywheel by hand. Then I tried running the motor and it ran, but if I moved the motor it would either violently vibrate, or stop running.

So is the problem with the motor, or with the circuitry of the loco?

Thanks,

Stuart
Offline kiwiAlan  
#2 Posted : 29 December 2014 15:55:47(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,082
Location: ENGLAND, Didcot
Originally Posted by: StuartA Go to Quoted Post
I have a V200 39800 locomotive with a problem. It doesn't run. Using MS2 with the sound turned off I can hear a whine from the motor when the speed is turned up, but the loco doesn't move. When I removed the shell I found that the motor was very hot. I removed the motor from the truck and ran it free. Again it whined, but didn't turn. I found that I can turn the flywheel by hand. Then I tried running the motor and it ran, but if I moved the motor it would either violently vibrate, or stop running.

So is the problem with the motor, or with the circuitry of the loco?

Thanks,

Stuart


As it is a 39xxx series loco, it will be a c-Sine motor, I presume a compact C-Sine rather than the original one.

I suspect that what you describe will require a return to factory for repair. Without having a spare of either the motor or the drive electronics it will be impossible to determine which is faulty without an oscilloscope and probably other specialised test equipment.

It sounds like it has stopped driving at least one phase of the motor, so in certain positions of the rotor there is not enough torque to make the motor rotate. It could be either an open circuit winding in the motor or a fault in the electronics producing this symptom.

thanks 1 user liked this useful post by kiwiAlan
Offline StuartA  
#3 Posted : 29 December 2014 16:23:17(UTC)
StuartA

United States   
Joined: 22/01/2011(UTC)
Posts: 121
Location: Long Island, NY
Originally Posted by: kiwiAlan Go to Quoted Post
Originally Posted by: StuartA Go to Quoted Post
I have a V200 39800 locomotive with a problem. It doesn't run. Using MS2 with the sound turned off I can hear a whine from the motor when the speed is turned up, but the loco doesn't move. When I removed the shell I found that the motor was very hot. I removed the motor from the truck and ran it free. Again it whined, but didn't turn. I found that I can turn the flywheel by hand. Then I tried running the motor and it ran, but if I moved the motor it would either violently vibrate, or stop running.

So is the problem with the motor, or with the circuitry of the loco?

Thanks,

Stuart


As it is a 39xxx series loco, it will be a c-Sine motor, I presume a compact C-Sine rather than the original one.

I suspect that what you describe will require a return to factory for repair. Without having a spare of either the motor or the drive electronics it will be impossible to determine which is faulty without an oscilloscope and probably other specialised test equipment.

It sounds like it has stopped driving at least one phase of the motor, so in certain positions of the rotor there is not enough torque to make the motor rotate. It could be either an open circuit winding in the motor or a fault in the electronics producing this symptom.



Thanks for the quick reply. I figured that its the motor, but I like having it confirmed by a second source. I see that Marklin shows the motor are not available, so the owner of the loco may be out of luck.

Have a happy new year.

Stuart
Offline H0  
#4 Posted : 29 December 2014 19:27:17(UTC)
H0


Joined: 16/02/2004(UTC)
Posts: 15,254
Location: DE-NW
Hi!
Originally Posted by: kiwiAlan Go to Quoted Post
It sounds like it has stopped driving at least one phase of the motor, so in certain positions of the rotor there is not enough torque to make the motor rotate. It could be either an open circuit winding in the motor or a fault in the electronics producing this symptom.
It could also be a problem of the flex cable. The flex cable could be broken or the contacts could be corroded. Pulling the flex cable out and pushing it back in 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
UserPostedImage
Offline kiwiAlan  
#5 Posted : 29 December 2014 19:30:30(UTC)
kiwiAlan

United Kingdom   
Joined: 23/07/2014(UTC)
Posts: 8,082
Location: ENGLAND, Didcot
Originally Posted by: StuartA Go to Quoted Post
Originally Posted by: kiwiAlan Go to Quoted Post

As it is a 39xxx series loco, it will be a c-Sine motor, I presume a compact C-Sine rather than the original one.

I suspect that what you describe will require a return to factory for repair. Without having a spare of either the motor or the drive electronics it will be impossible to determine which is faulty without an oscilloscope and probably other specialised test equipment.

It sounds like it has stopped driving at least one phase of the motor, so in certain positions of the rotor there is not enough torque to make the motor rotate. It could be either an open circuit winding in the motor or a fault in the electronics producing this symptom.



Thanks for the quick reply. I figured that its the motor, but I like having it confirmed by a second source. I see that Marklin shows the motor are not available, so the owner of the loco may be out of luck.

Have a happy new year.

Stuart


If you have another loco with a similar motor handy you could try swapping the motors as a test.

Toms note about cable problems is also worth investigating.

Offline BR218_1952  
#6 Posted : 03 January 2015 19:30:38(UTC)
BR218_1952

Germany   
Joined: 02/01/2015(UTC)
Posts: 2
Location: Bayern, Munich
Originally Posted by: StuartA Go to Quoted Post
Originally Posted by: kiwiAlan Go to Quoted Post
Originally Posted by: StuartA Go to Quoted Post
I have a V200 39800 locomotive with a problem. It doesn't run. Using MS2 with the sound turned off I can hear a whine from the motor when the speed is turned up, but the loco doesn't move. When I removed the shell I found that the motor was very hot. I removed the motor from the truck and ran it free. Again it whined, but didn't turn. I found that I can turn the flywheel by hand. Then I tried running the motor and it ran, but if I moved the motor it would either violently vibrate, or stop running.

So is the problem with the motor, or with the circuitry of the loco?

Thanks,

Stuart


As it is a 39xxx series loco, it will be a c-Sine motor, I presume a compact C-Sine rather than the original one.

I suspect that what you describe will require a return to factory for repair. Without having a spare of either the motor or the drive electronics it will be impossible to determine which is faulty without an oscilloscope and probably other specialised test equipment.

It sounds like it has stopped driving at least one phase of the motor, so in certain positions of the rotor there is not enough torque to make the motor rotate. It could be either an open circuit winding in the motor or a fault in the electronics producing this symptom.



Thanks for the quick reply. I figured that its the motor, but I like having it confirmed by a second source. I see that Marklin shows the motor are not available, so the owner of the loco may be out of luck.

Have a happy new year.

Stuart


Happy new year. Here my recommendations.

1.) As Tom mention, check the cabling first.

2.) Write a letter to the Marklin support, the most likely answer will be, that there are no spare parts available.

3.) Use this reply and send a letter to one of managing director Baechle or Sieber, complaining that this not acceptable. This is only way to create awareness, that this is a serious problem, which needs to be solved.

If the first 3 items, doesn't save your problem. Here you may find an alternative solution or a new attempt from rail4you , however there is only a German version available.


Rudi

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