EV charging
EV charger fault codes and protective states with evidence-led diagnosis.
17 published entries
Published error entries
1 RED BLINKTesla 1 RED BLINK: ground-fault protection interrupted charging because it detected an unsafe current pathCritical· Tesla2 RED BLINKSTesla 2 RED BLINKS: ground assurance failed because high resistance was detected in the earth pathCritical· Tesla3 RED BLINKSTesla 3 RED BLINKS: high temperature was detected and charging is limited or disabledCritical· Tesla6 RED BLINKSTesla 6 RED BLINKS: overvoltage or poor grid quality was detected and charging is disabledCritical· Tesla103Wallbox 103: DC leakage was detected and may originate in the vehicle OBC, charger or electrical installationCritical· Wallbox112Wallbox 112: the charger measured less than 150 V between L1 and neutralCritical· WallboxOutput FaultZappi Output Fault or 24: wrong output voltage detectedHigh· myenergi7 RED BLINKSTesla 7 RED BLINKS: vehicle overcurrent was detectedHigh· TeslaSOLID REDTesla SOLID RED: the Wall Connector has an internal fault and charging is disabledHigh· Tesla102Wallbox 102: an internal relay was detected closed when it should have been openHigh· Wallbox104Wallbox 104: the control-pilot circuit used for vehicle communication reported a faultHigh· Wallbox106Wallbox 106: the control-pilot signal voltage was outside its standard rangesHigh· Wallbox