Miele CVA 6805 Operating And Installation Instructions page 66

Frequently asked questions
Fault
Fault 234
"Too much ground
coffee"
"Check water
intake"
66
Possible cause and solution
The cup protection shut-off has been triggered three times
since the coffee system was turned on. The cups or glasses
being used are not clearly recognized by the automatic
dispenser adjustment.
^ Use only cups or glasses that can be recognized by the
automatic dispenser adjustment.
The automatic dispenser adjustment is malfunctioning.
^ Touch the On/Off sensor K to turn off the coffee system.
Wait about 2 minutes and then turn the system back on.
There is too much ground coffee in the ground coffee chute.
If more than one level scoop is put into the ground coffee
chute the brew unit cannot process it. The ground coffee will
be directed into the waste unit, and an fault message will be
displayed.
^ Touch the On/Off sensor K to turn off the coffee system.
^ Remove the brew unit and clean it (see "Cleaning and care
– Brew unit").
^ Remove all ground coffee from the interior of the coffee
system, for example with a vacuum cleaner.
^ Use the supplied coffee scoop to measure out the ground
coffee. Scoop only one serving of ground coffee into the
ground coffee chute.
The plumbed water intake is malfunctioning.
^ Check for kinks in the water intake hose and make sure
that the water shut-off valve is open all the way.
^ Remove the water container and empty it.
^ Push the water container back into the unit until it clicks
into place.