60 | English
Bosch TCC78K751 | 01/2014
Simple troubleshooting
Problem Cause Solution
Display shows
Refill bean container
although the bean container
is full, the appliance does
not grind the coffee beans.
Beans are not falling into
the grinding unit (beans too
oily).
Change the type of coffee
if necessary. Wipe out the
empty bean container with a
dry cloth.
No tea water dispensed. The milk frother or its holder
is blocked.
Clean the milk frother or its
holder (see “Cleaning the
milk system”).
Milk froth insufficient or too
runny.
The milk frother does not
draw the milk in.
The milk frother or its holder
is blocked.
Clean the milk frother or its
holder (see “Cleaning the
milk system”).
Milk unsuitable for frothing. Use low-fat milk (1.5 % fat).
The milk frother (12) is not
correctly assembled.
Wet the milk frother parts
and press together firmly.
Build-up of limescale in the
appliance.
Descale the appliance
using two descaling tablets,
if necessary repeat the
procedure.
Coffee dispensing slows to a
trickle or stops completely.
Coffee is ground too finely.
Pre-ground coffee is too fine.
Adjust the grinding unit to a
coarser setting. Use coarser
pre-ground coffee.
Build-up of limescale in the
appliance.
Descale the appliance.
Coffee has no “crema”
(creamy foam).
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 setting is not
suitable for the beans.
Adjust the grinding setting to
fine.
Coffee is too “acidic”. The grinding setting is too
coarse or the pre-ground
coffee is too coarse.
Adjust the grinding unit to a
finer setting or use finer pre-
ground coffee.
Unsuitable type of coffee. Use a darker roast.
Coffee is too “bitter”. The grinding setting is too
fine or the pre-ground coffee
is too fine.
Adjust the grinding unit to
a coarser setting or use
coarser pre-ground coffee.
Unsuitable type of coffee. Change the type of coffee.
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