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5 Maintenance
T Turn the switch to the °position.
The descaling operation is continued.
The operation is interrupted, the Coffee Grounds Container
symbol W lights up.
T Empty the drip tray and coffee grounds container and put
them back into the machine.
Your D4 is once more ready for use.
E If the descaling operation stops unexpectedly, rinse the water
tank thoroughly.
Coffee beans may be covered with a slight oil film which remains on
the walls of the bean container. These traces may negatively affect
the coffee result. For this reason clean the bean container from time
to time.
T Press the On/Off button Q to switch the D4 off.
T Open the bean container cover and remove the aroma pre-
servation cover.
T Clean the bean container with a soft, dry cloth.
T Fill the bean container with coffee beans and close the
aroma preservation cover.
T Close the bean container cover.
Limescale deposits may form in the water tank. To ensure correct
function of the machine, descale the water tank from time to time.
T Remove the water tank.
T If you use a CLARIS Smart filter cartridge, remove this.
T Completely fill the water tank and dissolve 3 JURA descaling
tablets in it.
T Leave the water tank with the descaling solution for several
hours (e.g. overnight).
T Empty the water tank and rinse it thoroughly.
T If you use a CLARIS Smart filter cartridge, insert this again.
T Fill the water tank with fresh, cold water and reinsert the
tank.
Cleaning the bean
container
Descaling the water tank