Troubleshooting - Jura 657 Original Bedienungsanleitung

8 Troubleshooting

8 Troubleshooting
Problem
Grinder is making a very loud
noise.
Insufficient foam is produced
when milk is foamed
Coffee only comes out in drips
when it is being prepared.
Water hardness cannot be
adjusted.
FILL BEANS is displayed
although the bean container
has been filled.
Cleaning of the coffee system
cannot be started although
the machine displays the
prompt.
In spite of the empty bean
container, no bean is displayed
for the respective products.
EMPTY DRIP TRAY is always
displayed.
FILL WATERTANK is displayed
although the water tank is full.
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Cause/Result
There are foreign objects in
the grinder.
The dual spout is dirty.
The coffee is ground too finely
and obstructs the system.
The CLARIS filter cartridge is
activated.
The grinder is not yet com-
pletely filled with beans.
The machine requests cleaning
of the coffee system and
descaling / filter change.
The bean monitor is dirty.
The metal contacts of the drip
tray are dirty or wet.
The water tank float is trapped. T Descale the water tank (see
Action
T Please contact your JURA
service partner (see Chapter
'JURA contact details / Legal
information').
T Rinse and clean the dual
spout (refer to Chapter 6
'Maintenance – dismantling
and rinsing the dual spout').
T Set the grinder to a courser
setting(refer to Chapter 2,
'Preparing and using for the
first time – Adjusting the
grinder').
T Please contact your JURA
service partner, who will be
able to deactivate the CLARIS
filter cartridge.
T Prepare a coffee speciality.
T First perform descaling or
change the filter. You can then
clean the coffee system.
T Clean the bean container
(see Chapter 6, 'Maintenance –
Cleaning the bean container').
T Clean and dry the metal
contacts on the back of the
drip tray.
Chapter 6, 'Maintenance –
Descaling the water tank').