Milk is too hot and there
is too little or milk foam
has bubbles
Milk is too warm:
Refrigerate milk
>
Check that milk hose is not kinked or crimped >
Lay milk hose again >
Check whether the correct milk nozzle is mounted >
(black for unrefrigerated milk)
Leakage:
Check all connections and seals of the All‑in‑One professional spout
>
Water tank stiff > Lightly smear O‑rings on water spout supports with WMF gasket grease
Brewing unit is difficult
to remove and replace
Lightly smear O‑rings on the brewer with WMF gasket grease
>
Display side doors open Brewing unit is not inserted correctly or doors are not closed >
correctly ‑ check!
The lever labelled “Press” must always be in the level position.
Pump makes loud noises 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 during operation the water pump runs independently
from time to time; it fills the system automatically.
Coffee has no crème • Unsuitable coffee mixture or coffee is not fresh
Quantity of ground coffee is set too low •
Cups too cold: pre‑warm •
Brewing temperature too low: increase temperature •
Grinding degree too coarse: set grinding degree finer •
Carry out warm‑up rinse•
Brewing unit can no
longer be pulled out or
inserted
Brewing unit is not in the basic setting
Close the right side door and switch machine on
>
The brewing unit can be adjusted using the multitool until the brewer >
can be inserted
Noticeably much course
ground coffee in brewer
area
Check grinding degree setting and set finer if necessary.
>
See
“Grease O-rings”, page 56
Brewing temperature
See “Settings” chapter
> “Basic settings”
Grinding degree setting
>Other settings
see page 28
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