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Problem solving guide
77
Unsatisfactory results
Problem Cause and remedy
The coffee is not hot
enough.
The cup has not been pre-heated.
The smaller the cup and the thicker its sides, the
more important it is to pre-heat it.
Pre-heat the cups, e.g. using the cup heating
(depending on model).
The brewing temperature has been set too low.
Set a higher brewing temperature.
The filters in the brew unit are blocked.
Remove the brew unit and clean it by hand.
Degrease the brew unit.
The heating-up time is
getting longer, the
amount of water being
dispensed is incorrect
and the coffee machine
is not performing prop-
erly. Coffee flows very
slowly out of the central
spout.
The coffee machine needs descaling.
Descale the coffee machine.
The quantity of dis-
pensed coffee has
changed.
The brew unit is blocked.
Degrease the brew unit (see “Cleaning and care –
Degreasing the brew unit and cleaning the
interior”).
The consistency of the
milk froth is unsatisfact-
ory.
The milk temperature is too high. Good milk froth can
only be achieved with cold milk (below 10°C).
Check the temperature of the milk in the milk flask.
The milk pipework is blocked.
Clean the central spout and milk pipework with the
brush.
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