I purchased a 2-10-2 with sound last month and it worked perfectly. This month I purchased a 4-8-2 with sound and was not able to change the address from 03 or change any CV 's using the Digitrax Super Chief. The hobby store let me using their MRC command station which worked just fine. The tech a Bachmann told me the two are not wire the same. I'm still waiting to hear from Digitrax as to why another command station can do what Digitrax can not do. I have no trouble programming any other decoders.

My buddy has had no problems with his. If you have too many locos on the same track drawing current could cause that type of behavior. It's sounds like you may have received a lemon. Return it for another one.

Good Luck