Miele CVA 6401 Operating And Installation Instructions page 68

Descaling the appliance
You will need two descaling tablets.
 Fill the water tank to the  mark with
lukewarm water.
 Drop two descaling tablets in the wa-
ter.
Follow the instructions for the mixing
ratio carefully. It is important that you
do not fill the water tank with too
much or too little water. Otherwise
the descaling process will be can-
celled prematurely.
68
Performing a descale
 Replace the water tank in the coffee
system and close the front.
 Follow the instructions given in the
display.
When Rinse the water container and fill with
fresh tap water up to the descaling symbol
 appears in the display:
 Carefully rinse the water tank with
clean water. Ensure that no descaling
solution residue remains in the water
tank. Fill the water tank to the 
mark with fresh tap water.
The cleaning process is complete when
rinsing has finished.
 Tap OK.
The coffee system has now been
descaled and can be used for making
drinks again.
After descaling the machine carefully,
rinse the water tank and the drip tray to
remove all traces of descaling agent.
To protect the machine and sur-
rounding surfaces from damage,
make sure you wipe up any spillages
or splashes of descaling agent im-
mediately.