Miele CM 7500 - Unsatisfactory Results

Problem solving guide
94
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
(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.
Drinks are being
dispensed from the
central spout
considerably more
slowly. The heating-up
time is getting longer
and the coffee machine
is not performing
properly.
The coffee machine needs descaling.
 Carry out the Descale the machine maintenance
programme. You will need one descaling tablet.
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 in
addition to automatic descaling.
Manual descaling: it may be necessary to descale the
coffee machine more frequently in areas with very
hard water.
The consistency of the
milk froth is
unsatisfactory.
The milk temperature is too high. Good milk froth can
only be achieved when cold milk (below10°C) is
used.
 Check the temperature of the milk in the milk flask.
The milk pipework is blocked.
 Clean the central spout with integrated
cappuccinatore and the milk pipework with the
cleaning brush supplied.
The coffee grinder
makes a louder noise
than usual.
The coffee bean container has become empty during
the grinding process.
 Fill the container with fresh beans.
There may be stones in amongst the coffee beans.
 Switch the coffee machine off immediately. Call
Miele.