Bosch CTL836E.6, Instruction Manual

Page: 62 / 134

58
en Simple troubleshooting
Simple troubleshooting
Problem Cause Solution
Strongly fluctuating coffee
or milk froth quality (e�g�
fluctuation in quantity or
milk froth spraying)�
Build-up of limescale in the
appliance�
Descale the appliance accord-
ing to the instructions, see the
section “Service programmes”�
The suction pipe is blocked� Clean the suction pipe�
Drinks cannot be
dispensed�
Beverage outlet or one of the
3 connections are blocked�
Clean the beverage outlet and
the connections�
The drink runs out at
the entire outlet during
dispensing�
Lower part of the beverage
outlet is missing�
Attach the lower part, see the
section “Cleaning the milk
system”�
Too little milk froth, none
at all, or the milk system
is not taking in any milk�
Build-up of limescale in the
appliance�
Descale the appliance accord-
ing to the instructions, see the
section “Service programmes”�
Beverage outlet or one of the
3 connections are blocked�
Clean the beverage outlet and
the connections�
Milk not suitable for foaming� Do not use milk that has
already been boiled� Use cold
milk with a fat content of at
least 1�5%�
Beverage outlet or the milk
tubes are not correctly
assembled�
Moisten the individual parts and
put them together again�
The suction pipe is blocked� Clean the suction pipe�
The personally selected
volume is not reached�
Coffee dispensing slows
to a trickle or stops
completely�
Coffee is ground too finely.
Preground coffee is too fine.
Adjust the grinding level to a
coarser setting� Use a coarser
ground coffee.
Heavy build-up of limescale in
the appliance�
Descale the appliance accord-
ing to the instructions, see the
section “Service programmes”�
The brewing unit is soiled� Clean brewing unit, see chapter
“Cleaning the brewing unit”�
Hot water milky or tastes
of coffee.
Milk tube has not been
removed�
Remove the milk tube from the
milk container�
Milk or coffee residue in the
beverage outlet�
Clean the beverage outlet�
Coffee has no “crema”. Unsuitable type of coffee. Use a type of coffee with a higher
proportion of robusta beans�
The beans are no longer fresh� Use fresh beans�
The grinding level is not
suitable for the beans�
Adjust the grinding unit to a
finer setting.
Coffee is too “acidic”. The grinding level is too
coarse. Preground coffee is
too coarse�
Adjust the grinding unit to a
finer setting. Use a finer ground
coffee.
Unsuitable type of coffee. Change the type of coffee.