Operating instructions

58
Espresso Machine ES 90 / ES 91
EN
Causes of faults and how to repair
The following table helps repair and localise minor faults:
Fault Possible cause Repair
Espresso leaks
above the group
handle
The group handle is not
correctly inserted.
Insert the group han-
dle so that it is rmly
seated.
There are still coffee
grounds on the edge of
the group handle.
Remove all the coffee
grounds.
The brewing head is
dirty.
Clean the brewing
head.
The brewing head is de-
fective.
Contact Graef custom-
er service
The brewing head rub-
ber seal is damaged or
worn out.
Contact Graef custom-
er service.
No water / espres-
so emerges or only
in dribs and drabs
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 milk froth and hot
water nozzle control is
open.
Close the control.
The group handle is
plugged up.
Empty the group han-
dle and rell it with
coffee. Make sure you
do not press the coffee
down too much and
that the coffee is not
ground too ne.
The unit calcies. Decalcify the unit.
Brewing head screen is
dirty.
Clean the brewing
head screen.
Espresso does not
have any crema
The coffee is too old or
too dry.
Use fresh coffee grind.