Here is a link to a troubleshooting page for the OBC/EV,SEhttp://mmc-manuals.ru/manuals/i-miev/online/Service_Manual/2012/54/html/M154950080003200ENG.HTM
Basically they indicate to check the EV,SE device/cable,
or connect MUT to read the OBC codes and run thru the steps for the code.
Blinking Fault (Red) is procedure #8 and is focused on cable and connector issue.
The charging cable is failed.
Earth leakage of regular charging high voltage system circuits.
Short circuit to earth of pilot signal circuit.
The on board charrger is failed.
Maybe some local EV driver can let you try their EV,SE on your car, or try your EV,SE in their car, to see where the problem resides.