Hi everybody

I did a test with a 74391 marklin connected on a 61841 marklin (M84) . As this is the software Itrain which controls the trains, the red wire has not been connected on the B of the track.

I did igt because my dealer said to me that the red wire is not required.

The wires of the signal 74391 are connected directly to the M84 on the good exit.

Problem : the leds of the signal do not light. No current for the led...I forgot on o 2 things in the connection M84-74391,

I work with a cs2 and a computer (Itrain)

I need help please

Thank you for your help ( a connections scheme, a diorama, a plan of connections, etc... )

Thewolf

Hi!

IIRC the default brightness on the m84 is 0 - set a value larger 0 to see the light.

I don't have those signals, but Peter Clapcott posted that information a few times on this valuable forum. This forum is such a great place to share solutions to common problems.

For the users of the forum it is less important who solved the problem ("Mike solved the problem for me" or "Google solved the problem for me"), but more important to read how it was solved.

It's only fair to credit who solved it, but the "how" is more important.

Hi Tom

It was very late when I had found the solution, especially that I spent 3 hours with the Bell Canada's technical service for a big problem

I wanted to explain this solution this morning and the solution is the one that you explained about the cv 38. It is informed in the manual of 60841 but as we say at my native country, it did not make "TILT" in the old brain..

I will try this afternoon, ...but I don't know how to reach the cv 38 in the cs2. I'll see

Thanks

Thewolf

Hi!
IMHO the CS2 is counter-intuitive, at least with respect to DCC programming.

You can add CV 38 to the list using the "+" button. It is not there by default.
There could be a CV list for m84 decoders, but I'm not sure. If not, you can create one yourself so you find CV 38 more easily the next time.

You are not the first who has problems with the CV screen of the CS2 - and you won't be the last.

You will be able to change CV 38 if you give it another try.
In the other thread, TEEWolf recommended values in the range 7 through 9.
Connect the M84 to the programming track output of the CS2 to make the changes.

Hi Thewolf,

as I wrote in the other thread already with CV 38 you set up the brightness of your signal light. Maerklin is delivering the signal with CV38 = 0. So you do not see any light, while you install your signal. Maerklin has also forgotten, to write this in his documentation. I read it know in the new Maerklin book “Einstieg in Märklin Digital” 01/2015 - art# 03081 page 127. They recommend a value for CV38 between 7 to 9. But the programming must be done in the DCC format on a separate programming track. For this you need a MS2 or CS2 as a minimum. There you got a CS2 (happy railroader) you are able doing it by yourself. Hopefully it works and solves your problem.

Regards

TEEWolf

Hi evervbody

Thank you Peter for your reply.

I am going to read what you explain with a clear head and to try to understand. Sorry but for me in the first reading it's Chinese

You play in the digital as I drew up the balance sheet in accounting.


I have however the possibility of calling Mike, but he asserts that it is not necessary to change whatever or in the values of CV of 60841. What makes that I am even more put under stress.

A thing is sure: it is a typical case where I regret my old Belgium. In my native country, where I lived, I had 1 delear Marklin unless 5 km and 4 within a radius of 100 km. In montréal it is 4 hours by Via Rail or 5-6 hours with a car I think

I am going to take a little of rest with regard to the layout

Have a nice day

Thewolf

Hi Thewolf

don't worry be happy. While I was looking for some descriptions for your problem, at least I found a post from clapcott (wow, he is a real good specialist for Maerklin) about your problem from the year 2014 - I should have searched this earlier and more thouroughful - sorry.

Link to clapcott's post.

See post #54 of the topic "Informative m83/60831 m84/60841 ( 60821 60822 ) - light reading - Perspective details about new items"

Also I found the following instructions for programming a m84 with a Control Unit, CS2 or MS2 at Maerklin's database - in various languages! It is the addition, what they forgot in the m84 manual.


m84 programming

Not enough? Oh indeed, I found another topic from 2014 "problem with m84". Please have a look here

problem with the m84.

You see, you are not alone and just ask the community or your wife! They help you all. And they are not 4 hrs away - only several clicks in the internet. So you have no need to give up, especially not your hobby.

Regards

TEEWolf

Hi TEEwolf

Thank you for your last replies.

I read the Clapcott's post of best that I was able to.

Very, very, very technical.

I watched a video about a M83, it's a pity that it is not M84 Am told me that it had to be the same thing for M84.

So I decided to do a test. What do you think about this ?

Thewolf

Hi Harvey

Happy for you


My 60841 are not defective, they work correctly... it is the signals which do not worh ( the leds)

Thewolf

He cooks a pretty good sausages and eggs breakfast as well! Very talented is our Peter!

Hi Thewolf,

you wrote you have a CS2. In the post from 2014 you see how to set up the CS2 for programming. There I am still waiting for my CS3 and do not have any CS2, I am unfortunately not able to do some pictures to show you, how to use the CS2 for programming. But by this post from 2014 it seems easy to me to set up the DCC programming mode at the CS2. Also you will find the description in the manual of the CS2.

But you also have to set up the DCC mode at the m84 before you start your programming. To set up the DCC mode at the m84, you have to set the dipswitch #10 (at the back of the m84) to "ON". Now you are in the DCC mode with the m84. Then you set up via your CS the brightness for your signal with the value eg 8. You only can choose a value for the brightness between 0 to 10. All values over 10 will be ignored. Then you save your settings to the m84 with your CS2. When you finished this, you have to set the dipswitch #10 to "OFF". Then the m84 is back in the operating system MM2 (this is the mfx format). Now your signal should shine.

The description you find in the the manual under the link "m84 programming" in my post #13. You mentioned, you are from Belgium. Perhaps your mothertongue is French? You also find the text in French in this manual, perhaps it helps too.

Regards

TEEWolf

Hi everybody

I received news from Mike yesterday about M84 and 74391.

All M84 and 74391work. The M84 #1 ( the only one whom I wanted to change the CV 38) was defective (I understand why I failed) He changed the cv 38 o others M84. They are ok...but the replaced M84 worked perfectly without any changes to CV38.

Thus Marklin is able to reserve us some surprises I think

Of course my wife with his logic quite feminine and from Quebec did not forget of to tell me "You see if had you insisted on the second instead of crying...'' No reply from me

Thewolf