Hi!
If the MS2 uses the new address, but the loco keeps the old address: no communication.

If you can change address neither with MS2 nor with the infra-red controller (both should be able to do it), then it really seems to be a faulty decoder.

Back to dealer or Märklin for a warranty repair - or buy a new decoder of your choice (with MTC 21 interface, I presume).

IIRC the acceleration setting is used for both acceleration and deceleration with those el cheapo decoders. Changing deceleration will have no effect, but changing acceleration and changing address should have effects.

Edit: Maybe the fault is using loco 37911 as a template. This loco has an old-fashioned decoder with "mouse piano" (aka DIP switches), so nothing can be programmed for 37911.
Try to add the loco manually using "MM programmable" (or whatever they call it in English) and try changing address and acceleration again. Maybe this won't make a difference, but you should try it before sending her back.

Edited by user 03 February 2012 19:37:23(UTC)  | Reason: Not specified

The 37912 locos have neither DIP switch nor MFX decoders. They have the FX type, similar to the one in a 60760 set.

For everyones Information..

"With the MS2 make sure it is updated to system 1.8 by plugging it into a CS2
that is updated to system 2.0.1.


The answer to my problem = these "cheap" make a fast buck- decoders uses in some 37XXX locos :

[I say 'cheap-garbage decoder' because 36XXX cheapo decoders are OK, expensive Mx 37/39XXX decoders
work fine as well on SW 1.3 MS2's ]



Sooo,,
If you have a MS2 or M* IR setup.

( And possibly MS 1's, I wonder, would their software be more 'up to date' than a MS2's _SW 1.3 ? ) _

Watch-out buying 37XXX FX Locos !!!!!!!!!!!!

Have the dealer confirm it will Program & Work on your Marklin Digital system.

Just because both are produced by Marklin .. no Guarantee they'll work together !!!!
Dont assume Marklin will watch your back on this.

I find that a sad thing....

I guess I'll only be able to buy 36XXX engines with confidence.

Every 36XXX with Sound or not _ work fine, program fine !!


OHH..
While I'm typing warnings to other NoN-CS people ... heres another for people with M* IR system :

The low .400 ma of the IR system is not enough power for Zeppelins and Locos with multiple motors and 39XXX W/multiple sound features.

So far my 36XXXX LOcos w/sound are fine on the IR system, so thats good.
But watch out when you buy, M* isnt.

Howard

60760 decoder manual said 'Select a suitable locomotive from the database (example: 36850).

I once had a loco with a faulty 60760 decoder: it was moving in one direction only.
I sent it back, they fixed it and now it works.

Faulty items can happen.
Their QA could be better, this would reduce the number of faulty items sent to customers.
But I presume more than 99.9 % of all 37912 locos run fine with any MS2.

It's a feature of the 60760 decoder that the setting for the braking delay (DEC) will be ignored. The acceleration setting (ACC) is used for both acceleration and braking.

I know that feeling.
It seems this is your first loco with 60760 decoder (the others you mention have mfx decoders), so it's not easy to answer that.