The detergent cartridge is empty.
Prepare the new cartridge:
Remove the cover cap from the cartridge.
or
Remove the film seal from the cartridge completely.
Insert a new detergent cartridge:
Switch on the washer-dryer.
To release the lock, press the yellow button above the cartridge (1).
Pull out the detergent cartridge (2).
Place a new detergent cartridge in the compartment.
Pay attention to the messages in the display.
The counter for the detergent cartridge fill level is reset.