The error code E06 in a Blomberg washing machine indicates an issue with the door lock mechanism.
Here are some instructions on how to fix this issue:
1. First, unplug the washing machine from the power source.
2. Check if the door is properly closed. If not, close it properly and then restart the machine.
3. If the error still persists, there might be a problem with the door lock mechanism.
4. In this case, it's best to call a professional technician for help as it involves checking and possibly replacing the door lock mechanism.