Problem solving guide
80
Unsatisfactory results
Problem Possible cause and remedy
The coffee is not hot
enough.
The cup has not been pre-heated.
The smaller the cup and the thicker its walls, the
more important it is to pre-heat it.
Pre-heat the cups, e.g. using the cup heating
function (depending on model).
The brewing temperature is 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
properly. Coffee drinks
are being dispensed
very slowly from the
central spout.
The coffee machine needs descaling.
Descale the coffee machine.
The amount of coffee
dispensed 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
unsatisfactory.
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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