| The indicator for charging current (1) is extinguished. The car symbol (5) illuminates with a constant green glow. | Standby | - The charging cable is connected to the car.
 
 -  Charging is possible but has not yet been activated by the electronics in the car.
 
  | Wait until the battery is fully charged. | 
|  Existing current consumption is shown with a green indicator (1). The car symbol (5) illuminates with a constant green glow. | Charging in progress. | - The car's electronics have started charging.
 
  | Wait until the battery is fully charged. | 
| The indicator for charging current is extinguished. The car symbol (5) flashes red. | Charging is not possible. | - There is a communication error between the control unit and the car. 
 
 -  The ventilation for the car's electronics is not adequate, not activated or defective.
 
  | -  Check all connections or use another 230 VAC socket. 
 -  Restart the battery charging.
 
  | 
| The car symbol (5) illuminates with a constant red glow. | Charging is not possible. | - The ground fault breaker on the charging cable has triggered.
 
  | - Unplug the charging cable from the 230 VAC socket.
 - The ground fault breaker is reset and the unit restarts.
 
  | 
| The indicator (1) for charging current and the house symbol (3) flash red. | Charging is not possible. | Temperature monitoring has triggered for the 230 VAC socket. | Restart charging. If the problem persists - consult a qualified professional. |