The Descaling timer and Switch on at timer functions have been set to the same start time.
Set the Descaling timer to a different time when you will not be using the coffee machine for at least 2.5 hours.
Automatic descaling of the coffee machine is not performed even though the timer has been activated.
Set the Descaling timer to a different time when you will not be using the coffee machine for at least 2.5 hours.