This work proposes a new responsibility classification to address the ambiguity surrounding the source of errors and their resolution responsibility within the EV charging ecosystem. Each MREC is therefore split into four categories- 1. EV user, 2. CSO, 3. EVSE, and 4. EV.
| Number | Error Code | Responsibility Classification | |||
| EV User | CSO | EVSE | EV | ||
| 1. | ConnectorLockFailure | ✓ | – | – | ✓ |
| 2. | GroundFailure | – | – | ✓ | ✓ |
| 3. | HighTemperature | – | – | ✓ | – |
| 4. | OverCurrentFailure | – | – | ✓ | ✓ |
| 5. | OverVoltage | – | – | ✓ | ✓ |
| 6. | UnderVoltage | – | – | ✓ | ✓ |
| 7. | WeakSignal | – | ✓ | ✓ | – |
| 8. | EmergencyStop | ✓ | – | ✓ | – |
| 9. | AuthorizationTimeout | ✓ | ✓ | ✓ | ✓ |
| 10. | InvalidVehicleMode | ✓ | – | – | ✓ |
| 11. | CableCheckFailure | – | – | ✓ | ✓ |
| 12. | PreChargeFailure | – | – | ✓ | ✓ |
| 13. | NoInternet | – | ✓ | ✓ | – |
| 14. | PilotFault | – | – | ✓ | ✓ |
| 15. | PowerLoss | – | – | ✓ | – |
| 16. | EVContactorFault | – | – | – | ✓ |
| 17. | EVSEContactorFault | – | – | ✓ | – |
| 18. | CableOverTempDerate | – | – | ✓ | – |
| 19. | CableOverTempStop | – | – | ✓ | ✓ |
| 20. | PartialInsertion | ✓ | – | ✓ | ✓ |
| 21. | CapacitanceFault | – | – | ✓ | ✓ |
| 22. | ResistanceFault | – | – | ✓ | ✓ |
| 23. | ProximityFault | – | – | ✓ | ✓ |
| 24. | ConnectorVoltageHigh | – | – | ✓ | – |
| 25. | BrokenLatch | – | ✓ | ✓ | – |
| 26. | CutCable | – | ✓ | ✓ | – |
