Welcome to the forum   
Welcome Guest! To enable all features please Login or Register.

Notification

Icon
Error

Share
Options
View
Go to last post in this topic Go to first unread post in this topic
Offline Pine  
#1 Posted : 30 April 2020 10:42:20(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
Good day to all, I am a new member and need some serious advice please. I have a few Marklin digital and analogue Marklin HO models that were in storage for about 5 years. Yesterday I set up a C-track and took out set 37712 (ICE). I put only the locomotive BR 402 DB on the track and it ran beautifully for about 4 times around the lay-out. It then stopped and does not want to move. No movement, no lights, no nothing. I have then connected the back unit that also has a pick-up shoe, but still nothing. Possibly the circuit board, but I am not sure. Are there any advice please? How do I determine if it is the circuit board? There is no specialist in this area. Thanking you in advance.
Offline cookee_nz  
#2 Posted : 30 April 2020 12:29:31(UTC)
cookee_nz

New Zealand   
Joined: 31/12/2010(UTC)
Posts: 3,948
Location: Paremata, Wellington
Originally Posted by: Pine Go to Quoted Post
Good day to all, I am a new member and need some serious advice please. I have a few Marklin digital and analogue Marklin HO models that were in storage for about 5 years. Yesterday I set up a C-track and took out set 37712 (ICE). I put only the locomotive BR 402 DB on the track and it ran beautifully for about 4 times around the lay-out. It then stopped and does not want to move. No movement, no lights, no nothing. I have then connected the back unit that also has a pick-up shoe, but still nothing. Possibly the circuit board, but I am not sure. Are there any advice please? How do I determine if it is the circuit board? There is no specialist in this area. Thanking you in advance.


My immediate thought was you tried to reverse it without the trailer and that's a no-no. There's a relay that gets activated and it won't then reset.

Connecting the other end however should have restored it. Try disconnecting and reconnecting the two halves a few times in case it's just a bad connection between them.

What controller are you using?

Cookee
Cookee
Wellington
NZ image
Offline Pine  
#3 Posted : 30 April 2020 12:56:05(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
Thank you Cookee. I think I did try to reverse without the rear unit (initially) when it stopped. I then got a tip to connect the rear unit with the pick-up shoe, but as I have said, this did not solve the problem. I use the 6021 control unit. It seems I did the wrong thing to run and reverse the loco alone? Any solutions to fix? I hope so. Regards, Pine
Offline river6109  
#4 Posted : 30 April 2020 15:47:00(UTC)
river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 14,636
Location: On 1965 Märklin Boulevard just around from Roco Square
Pine,
if it is the relay, reversing it without the second unit you should be able to get it right again, the only thing you have to do is ascertain which way the unit 1 runs connect the second unit if the loco runs forward and connect it, if it doesn't work, disconnect unit 1 from unit 2 and reverse the loco and connect unit 2 again., if this is not the problem you may have a wiring problem by taking the unit 1 apart and pictures may tell us if there is a problem with the wiring

John
https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
Offline mike c  
#5 Posted : 30 April 2020 15:48:06(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,880
Location: Montreal, QC
When you reversed the direction, the decoder also switched the current pick up from the powerhead to the pilot coach. Once the pilot coach is connected, the trainset should start to move (pilot coach first).

Is this the only locomotive that you have? If you have another one, you can test to make sure that the 6021 is working normally.
What are you using for a transformer? A fixed output one for the 6021 or the brown and yellow leads from a normal transformer?
If you are using a normal transformer with speed dial, disconnect the 6021 and connect the track leads to the red and brown connectors on the transformer and test to see if the trainset responds to analog command (speed, reverse).

If you have no other locomotive or transformer that can be used to test analog operation, do you have any coaches or cars with interior or taillights?
Those coaches can also be used to test to see if there is voltage in the tracks.

I would recommend that you reboot the 6021. Press Stop and Go simultaneously until the display flashes. Re-enter the locomotive address and see if this works.
Alternately, you can power down the layout for a minute and then try again.

Please share the results here, so that we can further assess.

Regards,

Mike C
thanks 1 user liked this useful post by mike c
Offline Pine  
#6 Posted : 30 April 2020 18:41:22(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
Wow, got the ICE going and connected all the coaches and rear unit. Now a new problem arose: it goes around the lay-out for some time and then stops, moves a little and changing direction continuously until controller 6021 is switched off. Switching on again, the process repeats itself. Any suggestions?
Offline Pine  
#7 Posted : 30 April 2020 18:44:12(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
I also need to mention that the other digital locomotives run perfectly.
Offline cookee_nz  
#8 Posted : 30 April 2020 22:41:53(UTC)
cookee_nz

New Zealand   
Joined: 31/12/2010(UTC)
Posts: 3,948
Location: Paremata, Wellington
Originally Posted by: Pine Go to Quoted Post
Wow, got the ICE going and connected all the coaches and rear unit. Now a new problem arose: it goes around the lay-out for some time and then stops, moves a little and changing direction continuously until controller 6021 is switched off. Switching on again, the process repeats itself. Any suggestions?


I'd suggest a general service - check the motor brushes, lightly oil the motor bearings. Make sure the wheels are clean. When trouble-shooting, remove any intermediate coaches, that will eliminate them from being part of the issue

Cheers
Cookee
Wellington
NZ image
Offline mike c  
#9 Posted : 01 May 2020 01:31:29(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,880
Location: Montreal, QC
My guess is that there is some contact issue between coaches, which is interrupting the power flow and possibly being interpreted as a reverse command.

Does this happen when only using the powerhead and pilot coach units? Test. If everything is ok, add one coach and test again until you have the whole train assembled again.

Regards

Mike C
Offline river6109  
#10 Posted : 01 May 2020 06:24:46(UTC)
river6109

Australia   
Joined: 22/01/2009(UTC)
Posts: 14,636
Location: On 1965 Märklin Boulevard just around from Roco Square
What type of decoder is in the loco, was it bought new or second hand and did it run alright before ?
https://www.youtube.com/river6109
https://www.youtube.com/6109river
5 years in Destruction mode
50 years in Repairing mode
thanks 1 user liked this useful post by river6109
Offline Pine  
#11 Posted : 01 May 2020 17:35:16(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
Thank you all. Just an update. The unit is an ICE from Set 37712, bought brand new and never had a problem. As previously stated, I left it in storage for approximately 5 years. I set up a small lay-out with two switches and started to run all my locomotives in sequence. When I got to the ICE, I did initially only put the front unit (power head) on the track and did reversed it at some stage. As explained before, I use a 6021 controller connected to a fixed output transformer. The unit stopped running with no power, lights, etc. After some tips from people on this site I cleaned the connections between the units and the coaches and managed to get the train going again, but only for about 4 to 5 laps around the pay-out before it would stop. I then removed all coaches and only connected the power head and pilot coach unit. These two units will only move if I reset the transformer and controller by switching the power off at the plug in the wall. Resetting only the controller does not do the trick. These two units run for 6 to 7 laps and then I can notice a bit of a slow down before they start changing direction, at first after travelling about 2 metres and then shorter and shorter until the units go back and forth in about 30cm of space. If I stop these units and change direction with the controller, I can see the lights changing and can hear a "click" sound, but I at first need to switch the transformer and controller off at the wall to reset and then start all over again. Very frustrating! Hopefully I can get some help to get this beautiful train back in operation. Thanking you in advance.
Online JohnjeanB  
#12 Posted : 01 May 2020 18:11:23(UTC)
JohnjeanB

France   
Joined: 04/02/2011(UTC)
Posts: 3,084
Location: Paris, France
Hi
All this seems to point to current-conducting couplers. During your first try with the loco in forward, then the front pick-up is used and all was fine. When you changed to reverse, the loco switch to rear pick-up and since the loco was alone it stopped working. This is normal.
Now that you have done the test with only the loco and the pilot coach unit and it starts working but only for a while (in reverse) it points to defective couplers. Either you can repair them or order spares from Märklin (more than one but rather all of them).

The click you hear is the slider relay (to pick the current from front or rear slider).

Another possibility, if you don't use in reverse together with signal stop sections, is to change the PCB connection so that instead of the rear slider you connect the font slider. That way poor contact connection with your couplers won't affect the running of you ICE set.
Cheers
Jean
thanks 1 user liked this useful post by JohnjeanB
Offline Pine  
#13 Posted : 01 May 2020 18:11:37(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
Originally Posted by: mike c Go to Quoted Post
When you reversed the direction, the decoder also switched the current pick up from the powerhead to the pilot coach. Once the pilot coach is connected, the trainset should start to move (pilot coach first).

Is this the only locomotive that you have? If you have another one, you can test to make sure that the 6021 is working normally.
What are you using for a transformer? A fixed output one for the 6021 or the brown and yellow leads from a normal transformer?
If you are using a normal transformer with speed dial, disconnect the 6021 and connect the track leads to the red and brown connectors on the transformer and test to see if the trainset responds to analog command (speed, reverse).

If you have no other locomotive or transformer that can be used to test analog operation, do you have any coaches or cars with interior or taillights?
Those coaches can also be used to test to see if there is voltage in the tracks.

I would recommend that you reboot the 6021. Press Stop and Go simultaneously until the display flashes. Re-enter the locomotive address and see if this works.
Alternately, you can power down the layout for a minute and then try again.

Please share the results here, so that we can further assess.

Regards,

Mike C


Thank you all. Just an update. The unit is an ICE from Set 37712, bought brand new and never had a problem. As previously stated, I left it in storage for approximately 5 years. I set up a small lay-out with two switches and started to run all my locomotives in sequence. When I got to the ICE, I did initially only put the front unit (power head) on the track and did reversed it at some stage. As explained before, I use a 6021 controller connected to a fixed output transformer. The unit stopped running with no power, lights, etc. After some tips from people on this site I cleaned the connections between the units and the coaches and managed to get the train going again, but only for about 4 to 5 laps around the pay-out before it would stop. I then removed all coaches and only connected the power head and pilot coach unit. These two units will only move if I reset the transformer and controller by switching the power off at the plug in the wall. Resetting only the controller does not do the trick. These two units run for 6 to 7 laps and then I can notice a bit of a slow down before they start changing direction, at first after travelling about 2 metres and then shorter and shorter until the units go back and forth in about 30cm of space. If I stop these units and change direction with the controller, I can see the lights changing and can hear a "click" sound, but I at first need to switch the transformer and controller off at the wall to reset and then start all over again. Very frustrating! Hopefully I can get some help to get this beautiful train back in operation. Thanking you in advance.
Offline Pine  
#14 Posted : 01 May 2020 18:46:26(UTC)
Pine

South Africa   
Joined: 28/04/2020(UTC)
Posts: 8
Location: Kwazulu-Natal, Margate
Thank you Mike. I am clueless; how do I change the PCB connection so that the front slider is always connected?
Offline mike c  
#15 Posted : 01 May 2020 20:36:20(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,880
Location: Montreal, QC
I would not tamper with the connections. The set up allows for power pickup from the leading slider, so that the train stops at the proper location in case of signals. If you modify the power pickup, the train might go through a signal and stop only when the end of the train is in the "Stop" zone.

My assumption is that you probably helped when you cleaned the contact but you still need to do a little more work. As the train moves, the couplers shift a little and it is possible that poor contact in some spots is the cause of your ongoing issues.

Regards

Mike C
thanks 1 user liked this useful post by mike c
Users browsing this topic
Forum Jump  
You cannot post new topics in this forum.
You cannot reply to topics in this forum.
You cannot delete your posts in this forum.
You cannot edit your posts in this forum.
You cannot create polls in this forum.
You cannot vote in polls in this forum.

| Powered by YAF.NET | YAF.NET © 2003-2024, Yet Another Forum.NET
This page was generated in 0.592 seconds.