The coffee machine has been set incorrectly.
Set the quantity of coffee, espresso, or hot water dispensed via the quantity programming.
You will find the description of the quantity programming in your operating instructions.
The quantity of coffee/espresso/hot water dispensed is too little or too much.
Set the quantity of coffee, espresso, or hot water dispensed via the quantity programming.
You will find the description of the quantity programming in your operating instructions.
Descale the coffee machine.
Refer to the operating instructions for the descaling procedure.