SP-FORUMS

yes, I already knew that .. I've read the manual, but i'm not found error message "Fe6". and the problem is the power doesn't turn "on" at all.....
so I can't reset to factory settings , is there another way?

thanks before

I've downloaded the update OS from roland.com , while the process of updating, suddenly it's hangs. when I restart it, it's not working at all .. anybody knows how reset the failed OS update .. please, help me .. What should I do ?...