I'd say get in touch with Horizon's tech support.
Horizon Hobby, Inc.
ATTN: Spektrum
4105 Fieldstone Road
Champaign, IL 61822
Main Phone: (217) 352-1913
Toll-Free: (800) 338-4639
Support Phone: (877) 504-0233
Sales Phone: (800) 338-4639
I had an issue with one of my new out of the box 3000 too. I sent it back, and within two weeks had a replacement along with an explanation of the problem the other one had. I've been running in it a number of cars for the last 6 months, and not a problem.