User manual
54
Messages and Tips
EEPROM Error > Switch machine on/off
If the error repeats, the malfunction must be remedied by the
WMF Service Center.
Motor driver error Switch machine on/off
>
If the error repeats, the malfunction must be eliminated by the
WMF Service Center.
Grinder blocked The grinder is blocked by foreign bodies:
Switch off the machine, unplug the power cord
>
Vacuum out the bean hopper >
>
Turn grinders clockwise with the multitool in order to be able to remove
foreign bodies
Grinding degree too fine:
Set grinding degree coarser
>
Temperature sensor
steam
Temperature sensor
water
Switch-off coffee machine, allow to cool and switch-on again
>
If the error repeats, the malfunction must be eliminated by the
WMF Service Center.
Timeout level Air in the system, possibly associated with loud pump noise:
Check whether the water tank is pushed in completely
>
Take milk hose out of the milk container and press the milk foam >
button
If hot water comes out instead of steam:
carry out descaling
>
If steam comes out:
please call the hotline
>
Problems with no error display
Error Action
No milk foam/milk
output, but milk in
reservoir
> Check that milk hose is not kinked or crimped, lay milk hose again
Clean All-in-One professional spout and milk nozzle
>
Clean steam nozzle >
No milk foam,
only hot milk
Carry out milk system rinse >
If the problem continues:
Clean steam nozzle
>
Milk or milk foam is
too cold
Ensure that the milk nozzle is on the milk hose >
Check whether the correct milk nozzle is mounted (white for >
refrigerated milk)
See
“WMF Service Center” chapter
Grinding degree setting
>Other settings
see page 28
See “Care” chapter > “Milk system
cleaning”
See Clean steam nozzle,
page 56