Well- you can Un-Debug, but I'm not sure about Bandai fixing it. (I don't even know where Bandai is!) Good Luck un-Debugging, there should be a guide around here somewhere!
Sometimes, when you send a broken Tama to Bandai, and they can't fix it, they just send you a new one. If you want to send your Tama in, send it to this address:
BANDAI AMERICA INCORPORATED
5551 Katella Avenue
P.O. Box 6054
Cypress, California 90630-6054
Or if you want to contact them fist call (714)816-9500