My Sp404 OG didn't turn on without CF card, and if it is installed it only says FFO and didn't respond. I've tried with another CF card i've got laynin' here and same problem. I want to format a fresh new cf card in case this is the problem but until it arrives, anyone knows about this error? I've looking for a week in internet and in the manual and this code FFO doesn't appears anywhere. I'm affraid I may need send it back to Roland
cursed pic of the dead sp: https://imgur.com/a/KcRYJgH
Ty in advance