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