If I understand your question, I try to answer.
For DATAVISION repair Call this number +37061845130 (Veliuona city, Jurbarkas district)
They work with danish company, prices lower than KONEKESKO.
I have problem with DATAVISION too. All time when start engine, DATAVISION computer required to select a language and date with clock. I think it's DATAVISION memory problem.
Good luck