Technical data

46
7 Troubleshooting
7 Troubleshooting
Problem Cause/Result Action
Insufficient foam is
produced when the
milk is frothed or milk
sprays out of the fine
foam frother.
The fine foam frother is dirty.
T Clean the fine foam frother (see
Chapter 5 ‘Maintenance – Cleaning the
fine foam frother’).
T Dismantle and rinse the fine foam
frother (see Chapter 5 ‘Maintenance –
Dismantling and rinsing the fine foam
frother’).
Coffee only comes out
in drips when it is
being prepared.
Coffee or ground coffee has
been ground too finely and
is blocking the system.
The same filter cartridge
may have been used several
times or the water hardness
set incorrectly in the
programming mode.
T Put the grinder on a coarser setting or
use coarser ground coffee (see Chap-
ter 2 ‘Preparation – Adjusting the
grinder’).
T Perform descaling (see Chapter 5
‘Maintenance – Descaling the
machine’).
Water hardness cannot
be adjusted.
The CLARIS Blue filter
cartridge is activated.
T Deactivate the filter cartridge in
programming mode.
‘Fill water tank.’ is
displayed although the
water tank is full.
The water tank float is
trapped.
T Descale the water tank (see Chapter 5
‘Maintenance – Descaling the water
tank’).
Little or no water or
steam comes out of
the fine foam frother.
The pump is very
quiet.
The connector of the fine
foam frother may be blocked
by milk residues or limescale
fragments loosened during
descaling.
T Remove the fine foam frother.
T Unscrew the black connector with the
aid of the hexagonal hole on the
measuring spoon for ground coffee.
T Clean the connector thoroughly.
T Screw the connector back on by hand.
T Carefully tighten it using the hexago-
nal hole on the measuring spoon,
turning by no more than a quarter of a
rotation.
Grinder is making a
very loud noise.
There are foreign objects in
the grinder.
T Contact customer support in your
country (see Chapter 11 ‘JURA contact
details/ Legal information’).