I don't know much about the SPICA FI system. I do know that most carburettor problems are electrical - have you checked for spark?
From the BB's main page scroll down to the Carbs & FI section for a couple of 'sticky' threads about the SPICA system. Maybe you'll find an answer in one of those.
From the BB's main page scroll down to the Carbs & FI section for a couple of 'sticky' threads about the SPICA system. Maybe you'll find an answer in one of those.