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Problem solving guide
100
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.
Drinks are being dis-
pensed from the central
spout considerably
more slowly. The heat-
ing-up time is getting
longer and the coffee
machine is not perform-
ing properly.
The coffee machine needs descaling.
If you use hard water (>20°dH / 3.6 mmol/l) or if the
coffee machine is used intensively, it may be
necessary to descale the machine manually more
frequently.
Run the Descale the machine maintenance
programme. You will need one descaling tablet.
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.
The coffee grinder
makes a louder noise
than usual.
The coffee bean container has become empty during
the grinding process.
Fill the coffee bean container with fresh beans.
There may be foreign objects such as plastic or
stones in amongst the coffee beans.
Switch the coffee machine off immediately. Call
Service.
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