Troubleshooting
103
Operating instructions – AC SMART
Error ID Description Recommended action
4 A relay in the EV charging box is
defective.
► Disconnect the vehicle from the EV charging box.
► Switchotheresidualcurrentprotectivedevice.
► Switch the residual current protective device
back on after 10 seconds.
► Wait until the LED status indicator is illuminated
green.
► Connect the vehicle to the EV charging box once
again.
► Start the charging process.
► If the error occurs again, contact an electrician.
5 A DC residual current was detected.
The vehicle can be the cause of the
fault.
► Disconnect the vehicle from the EV charging box.
► Wait until the LED status indicator is illuminated
green.
► Connect the vehicle to the EV charging box once
again.
► Start the charging process.
► If the error occurs again, try to start a charging
process with another vehicle.
► If the error occurs again, contact an electrician.
6 An AC residual current was detected.
The vehicle can be the cause of the
fault.
► Disconnect the vehicle from the EV charging box.
► Wait until the LED status indicator is illuminated
green.
► Connect the vehicle to the EV charging box once
again.
► Start the charging process.
► If the error occurs again, try to start a charging
process with another vehicle or another charging
cable.
► If the error occurs again, contact an electrician.
7 The residual current measurement
module in the EV charging box is
defective.
► Disconnect the vehicle from the EV charging box.
► Switchotheresidualcurrentprotectivedevice.
► Switch the residual current protective device
back on after 10 seconds.
► Wait until the LED status indicator is illuminated
green.
► Connect the vehicle to the EV charging box once
again.
► Start the charging process.
► If the error occurs again, contact an electrician.
8 The vehicle requires active ventilation
of the charging station.
Active ventilation of the charging station cannot be
ensured by the EV charging box.
► Contact the manufacturer of your vehicle.