User manual

65
Troubleshooting
Water tank is difficult to
remove
> Lightly coat O-rings on water spout supports with WMF gasket grease
Brewing unit is difficult
to remove and replace
Lightly coat O-rings on the brewer with WMF gasket grease
>
Pump makes loud noises
See also Flow Error.
Water tank is not inserted correctly (air in the system).
Push in water tank completely
>
>
Bleed machine:
Dispense hot water until a constant stream of water comes out
Hint: it is normal if the water pump runs independently from time to time
during operation; it fills the system automatically.
Coffee has no crème Unsuitable espresso / coffee mixture or coffee is not fresh •
Quantity of ground coffee is set too low•
Cups too cold: pre-warm•
Grinding degree too coarse: Set grinding degree finer•
Perform a warm-up rinse•
Brewing unit can no
longer be pulled out or
inserted
Brewing unit is not in the correct position
The brewing unit can be adjusted using the multitool until the brewer
>
can be inserted
Remove coffee grounds residue from the inside of the brewer
>
Noticeably large amount
and very coarse ground
coffee in brewer area
Check grinding degree setting and set finer if necessary
>
Check whether the metal spring ring is missing from the brewer plunger:
Remove the brewer and open it completely by turning it clockwise
>
The brewer plunger on the bottom of the brewer is now visible. >
Install the metal ring >
Grease O-rings
w Troubleshooting
w Errors with no malfunction display
page 66
Brewing temperature
w Settings
w Basic settings
page 36
Grinding degree
w Other settings
w Set the grinding degree
page 38