If the LEDs of the charger are no longer lit, you can check the fine-wire fuse on the back of the charger and replace it if necessary. You can also plug the charger into another socket.
Type 2 cable blocked:
Car does not charge at full power:
The car’s battery is either near to full or too cold. Therefore the charging capacity is automatically limited.
Here the charging current can be reduced but the socket used can also be checked. The charger can also be tested at another socket.