Siemens TI 91 Série Mode D'emploi page 56

en Trouble shooting
Too little or no milk froth.
No intake of milk is performed
by the milk system.
The personally selected
per-cup quantity is not reached.
Coffee dispensing slows to a
trickle or stops completely
No coffee flows out, only water. An empty bean container is not
The appliance no longer
responds.
Coffee has no "crema".
The coffee is too "acidic".
The coffee is too "bitter".
56
The milk system or the intake
of the milk system is soiled.
Unsuitable milk.
Build-up of limescale in the
appliance.
The milk system is incorrectly
assembled.
Incorrect connection sequence
for milk container and milk sys-
tem.
Grinding level is too fine.
The ground coffee is too fine.
Heavy build-up of limescale in
the appliance.
Air in the water filter.
detected by the appliance.
The coffee shaft on the brewing
unit is blocked.
Fault in the appliance.
Unsuitable type of coffee.
The beans are no longer freshly
roasted.
The grinding level is not suita-
ble for the coffee beans.
The grinding level is too coarse
or the ground coffee is too
coarse.
Unsuitable type of coffee.
The set grinding level is too fine
or the ground coffee is too fine.
Unsuitable type of coffee.
Clean the milk system or the intake.
~ "Cleaning the milk system"
on page 51
Do not use milk that has already been
boiled. Use cold milk with a fat content
of at least 1.5%.
Descale the appliance as described in
the instructions.
Correctly assemble all parts.
~ Fig. #
Connect the milk system to the outlet
system first, then connect the milk con-
tainer.
Set a coarser grinding level.
Use coarser ground coffee.
Descale the appliance as described in
the instructions.
Immerse the water filter into water until
no more air bubbles escape; insert the
filter again.
Pour in coffee beans
Note: The appliance will adjust to the
coffee beans upon the next dispensing
process.
Clean the brewing unit. ~ "Cleaning
the brewing unit" on page 52
Press and hold the on/offbutton for 10
seconds.
Use a type of coffee with a higher pro-
portion of robusta beans.
Use fresh beans.
Set a finer grinding level.
Set a finer grinding level or use finer
ground coffee.
Use a darker roast.
Set a coarser grinding level or use
coarser ground coffee.
Change the type of coffee.