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.
