Frequently asked questions
Faults with automatic descaling
Problem Possible cause and solution
After switching on, a
message appears in-
forming you that auto-
matic descaling could
not be carried out.
If you have made drinks with milk, the milk pipework
must be pushed into the drip tray cover and when
the machine is switched off, the message about this
in the display needs to be confirmed with OK.
All removable parts, such as the water container, drip
tray, brew unit, or central spout must be installed.
The water container must be filled with water at least
up to the descaling symbol (at least 500mL
water).
The machine door was not closed.
Confirm the message withOK.
Make sure that the coffee machine is ready to use
before the next descaling process.
The coffee machine was not switched off at the start
time using the On/Offswitch.
The coffee machine pipework will only be filled with
descaling solution when the coffee machine is
switched off.
Confirm the message withOK.
Change the start time if necessary.
Descale appliance manually
appears in the display
even though a descal-
ing cartridge which is
ready to use is installed.
Drinks cannot be made.
Depending on the water hardness level in your area
and your usage behavior, the coffee machine will
occasionally need to be descaled using the
maintenance program.
For this you will need to use a suitable descaling
agent, e.g. Miele Descaling Tablets.
Descale the coffee machine using the
maintenance program (see “Descaling the
appliance“ in the “Cleaning and care” chapter).
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