Unsatisfactory Results - Miele CoffeeSelect CM 7750 Operating Instructions Manual

Unsatisfactory results

Problem
The coffee is not hot
enough.
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 consistency of the
milk froth is unsatisfac-
tory.
The coffee grinder
makes a louder noise
than usual.
Frequently asked questions
Possible cause and solution
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 cup, e.g. using the cup heater
(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 coffee machine needs descaling.
If you use hard water (> 20 gpg) or if the coffee
machine is used intensively, it may be necessary to
descale the machine manually more frequently.
 Run the
Descale the appliance
program. You will need one descaling tablet.
The milk temperature is too high. Good milk froth can
only be achieved when cold milk (below 50°F/10°C)
is used.
 Check the temperature of the milk in the milk flask.
The milk pipe is blocked.
 Clean the central spout and milk pipework with the
brush.
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.
Contact the Technical Service department.
maintenance
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