digivox XL box not working..please help?

hi all,

This is Aj, I need help about my digivox XL box. which stopped suddenly now only shows message as
"scrambled or bad channel"

My box details are as below,
Model Name : Digivox XL
s/w version is V13-2.0001
Boot version : 01

Please help me what should i do??

Do i need to download any firmwire etc.

Thanks
Aj.