I am totally new to all this, I have a Prodigy Advance 2 and a test track at this point.
I purchased a DCC RS N scale B&M unit and tried to use "3" as the initial address, then tried the engine # but nothing works: what is the address as it comes out of the box?
Thanks
Does it run on DC only. If you have a DC transformer you may want to test it.
I will assumes that this an engine with a DCC board installed and not just DCC ready.
If so did you follow the instructions to program the engine number as the address?
I use Didgitrax and on new decoder installs #3 is used to test the DCC decoder before assigning a permanent engine number.
All I can say is if it has the decoder in it reread the instructions to make sure every thing is done in the correct order.
It may be a bad decoder. It does happen. I have had 3 that have been defective out of 12 and had to be replaced.
i would be suspisious about a falty decoder
Pull the shell off the loco and look for a bad connection. The decoders on these make contact to the frame via to metal tabs that are below the main board. I have seen a few that either the board wasn't snapped in fully or the tab was bent where it wouldn't make contact with the frame. It is a simple fix to snap the board in or bend the tab so it makes better contact.
If its a new loco the first thing I would do is try resetting the defaults set CV8 to 8 and then try using address 3 again.
NM-Jeff