There is air in the lines inside the appliance. Please fill the water tank and press the button for brewing strength. The pump in your appliance is now reactivated. After venting, you can dispense coffee again.
If the symbol is then still lit up, perform the following steps:
1. Check whether the water filter is inserted and remove it if necessary. Then, perform the process described above again.
2. Clean the brewing unit according to the operating instructions for your appliance and perform the process described above again.
3. Perform cleaning and descaling of the machine and then carry out the process described above again.