Jura E4 - Descaling the water tank; Switch machine to descaling mode

7 Maintenance
23
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�
Follow the steps below to switch the E4 from filter mode to
descaling mode�
T
 Remove and empty the water tank�
T
 Turn the filter cartridge anticlockwise and remove it along with
the extension from the water tank�
T
 Insert the empty water tank in the machine again�
T
 Press the
f
button�
The & symbol lights up brightly�
T
 Press the
o
button several times until the ! symbol lights up
brightly�
T
 Press the
s
button to enter the programme item�
The sss £ symbols light up brightly�
T
 Press the
o
button so that the sss £ symbols no longer
light up brightly�
T
 Press the
s
button to confirm the setting�
E The setting must be confirmed within 20 seconds�
The sss £ symbols flash 3 times in quick succession� The
machine is now in descaling mode�
T
 Press the
f
button to exit programming mode�
Descaling the water tank
Switch machine to descaling
mode