Troubleshooting - Jura J90 Instructions For Use Manual

7 Troubleshooting

7 Troubleshooting
Problem
When preparing a latte
macchiato, the typical
three layers do not
form.
Insufficient foam is
produced when the
milk is frothed or
milk sprays from the
cappuccino frother.
Coffee only comes out
in drips when it is being
prepared.
Water hardness cannot
be adjusted.
'Fill bean container'
not displayed although
the bean container is
empty.
'Empty drip tray' is
always displayed.
40
Cause/Result
–
The cappuccino frother is
dirty.
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 pro-
gramming mode.
The CLARIS Blue filter
cartridge is activated.
is The bean monitor is dirty.
The metal contacts of the
drip tray are dirty or wet.
Action
T Turn the setting wheel of the cappuc-
cino frother to the far right and the Milk
Foam position ü.
T Change the length of the interval to at
least 30 seconds in programming
mode (see Chapter 4 'Permanent settings
in programming mode – Product
settings').
T Clean the cappuccino frother (see
Chapter 5 'Maintenance – Cleaning the
cappuccino frother').
T Check that the air intake pipe is fitted
on the cappuccino frother.
T Rinse or replace the air intake pipe.
You will find a replacement in the
Welcome Pack.
T Put the grinder on a coarser setting or
use coarser ground coffee (see Chapter 2
'Preparation – Adjusting the grinder').
T Perform descaling (see Chapter 5
'Maintenance – Descaling the machine ').
T Deactivate the filter cartridge in
programming mode.
T Clean the bean container (see Chapter 5
'Maintenance – Cleaning the bean
container').
T Clean and dry the metal contacts on the
back of the drip tray.