A fault has occurred during valve adjustment.
Switch off the appliance and, shortly after, switch it back on again.
Fault F74 appears on the coffee machine display.
Switch off the appliance and, shortly after, switch it back on again.
Descale the coffee machine:
Press and hold the OK button until MENU appears on the display.
Turn the rotary selector until MAINTENANCE appears on the display.
Press the OK button.
START DESCALING appears on the display. Descaling cannot be cancelled once it has started. It must be completed through to the end.
Press the OK button.
The descaling process will now start.
If the fault message still appears:
Switch off the appliance and, shortly after, switch it back on again.
If the fault message appears on the display again, contact Miele Customer Service.