2/ AyeJay and Fanbanlo have reported Charging Module Errors. The error message displayed is "Check EV light" which sounds like your (Hazeyone) "check electric vehicle system" Both had the Charging Module replaced (presumably the OBC) and have not reported errors since. It would be good if someone could post a photo of this error.
I think the error I had was "check electric vehicle system".
I don't know if this is related but a week or so before My OBC failure this happened to the display screen:
(a strange multi-colored bar of what I'm calling 'electronic noise' on the right side).
-- Has anyone else seen this one?
The car was still drivable but without all the on screen features.
This condition persisted for a short time (a few hours) then was never seen again.
-- My car has been performing flawlessly since the OBC replacement over a year ago.
My OBC failure report is at: