Operating instructions

59
Espresso Machine ES 90 / ES 91
EN
© Gebr. Graef GmbH & Co. KG
The coffee grounds are
too course.
Use a ner coffee
grind.
Not enough coffee in
the group handle.
Fill more coffee
grounds.
Coffee grounds are not
sufciently pressed.
Press the coffee
grounds a little bit
more rmly.
Water ows
through too quick-
ly
The coffee grounds are
too course.
Use a ner coffee
grind.
The coffee grounds
were not pressed down
enough.
Press the coffee
grounds a little bit
more rmly.
There are too few cof-
fee grounds in the group
handle.
Fill more coffee
grounds.
Very loud pumping
noise
There is no water in the
water tank.
Fill the water tank.
The water tank is not
correctly inserted.
Insert the water tank
correctly.
The unit is calcied. Decalcify the unit.
No steam
The steam nozzle is
plugged up.
Clean the steam noz-
zle.
Not enough froth
during frothing
The milk is not fresh. Use fresh milk.
The milk temperature is
too high.
The milk should be
well cooled before you
use it.
The steam nozzle is
plugged up.
Clean the steam noz-
zle.
The milk boiled.
Start again with fresh
milk.
Steam nozzle incorrectly
positioned.
Place the steam noz-
zle approx. 1 cm under
the milk surface.