Troubleshooting - Jura 759 Instructions For Use Manual

9 Troubleshooting

Problem
Insufficient foam is
produced when the
milk is frothed or milk
sprays from the dual
spout�
With speciality coffees
with a finer grinder
setting, the coffee
only flows in drips�
Coffee only comes out
in drips when it is
being prepared�
There is dry ground
coffee behind the
coffee grounds
container�
'Fill water tank' is not
displayed although
the water tank is
empty�
Grinder is making a
very loud noise�
'Error 2' or 'Error 5'
displayed�
Cause/Result
The dual spout is dirty�
The milk and milk foam
temperature is set too
high�
The coffee has been
ground too finely and is
blocking the system�
The coffee has been
ground too finely and is
blocking the system�
The water hardness may
not have been correctly
set�
The beans used are
resulting in an above-
average volume of
ground coffee�
There is a lot of limescale
in the water tank�
There are foreign objects
in the grinder�
is If the machine has been
exposed to the cold for a
long period of time,
heating may be disabled
for safety reasons�
Action
Make sure the cover of the dual spout is
T
correctly fitted�
Clean the milk system in the dual spout
T
(see chapter 7 'Maintenance – Cleaning the
milk system')�
Dismantle and rinse the dual spout (see
T
chapter 7 'Maintenance – Dismantling and
rinsing the dual spout')�
Set a lower milk and milk foam tempera-
T
ture for the product�
If possible, set the consistency of grind for
T
the speciality coffee 1–2 levels coarser (see
chapter 4 'Preparation – Adjusting the
product settings')�
Use more coarsely ground coffee (see
T
chapter 4 'Preparation – Ground coffee')�
Perform descaling (see chapter 7 'Mainte-
T
nance – Descaling the machine ')�
Reduce the coffee strength or choose a
T
finer grinder setting (see chapter 4 'Prepara-
tion – Adjusting the product settings')�
Descale the water tank (see chapter 7
T
'Maintenance – Descaling the water tank')�
Contact customer support in your country
T
(see chapter 13 'JURA contact details / Legal
information')�
Warm the machine at room temperature�
T
9 Troubleshooting
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