Miele Built-in coffee machine Operating And Installation Instructions page 76

Problem solving guide
Problem
The coffee
machine does not
switch itself on,
although the
"Switch on at"
setting has been
activated for the
timer.
You cannot read
the display.
After being
switched on, "Fill
and replace the
water container"
appears in the
display although
the water
container has
been filled and
inserted.
The machine does
not rinse.
The milk pipework
is being rinsed
through but there
is no rinse water
coming out of the
central spout. "Fill
and replace the
water container"
appears in the
display.
76
Possible cause and remedy
The system lock is activated.
^ Deactivate the system lock (see "Settings - System lock").
The day of the week has not been selected.
^ Check the timer settings and change these if necessary
(see "Settings - Timer").
The machine was not used after being switched on
automatically 3 times in succession (see "Settings - Timer").
^ Switch the machine on and make a drink.
The display brightness has been set too low.
^ Adjust the brightness (see "Settings - Brightness")
The coffee machine needs to be descaled.
^ Switch the coffee machine off with the On/Off sensor
Wait for approx. one hour.
^ Switch the coffee machine on again. As soon as
"Heating-up phase" appears in the display, touch the
"Maintenance" field at the bottom right and then select
"Descale".
^ Descale the coffee machine. You may need to repeat the
descaling process.
The milk pipework or the air intake tube is blocked.
^ Follow the instructions in "Cleaning blockages from the
milk pipework".
.