English | 61
Bosch TCC78K751 | 01/2014
Simple troubleshooting
Problem Cause Solution
Display shows
Error
Please contact hotline
The appliance has a fault. Call the hotline (see rear
cover).
The water filter does not stay
in position in the water tank.
The water filter is not
mounted correctly.
Firmly press the water filter
straight down into the tank
connection.
The coffee grounds are not
compact and are too wet.
The grinding setting is too
fine or too coarse, or not
enough ground coffee has
been used.
Adjust the grinding unit to a
coarser or finer setting, or
use 2 level measuring spoons
of ground coffee.
Display shows
Clean brewing unit
Brewing unit has a build up
of coffee residue
Clean brewing unit.
Too much pre-ground coffee
in the brewing unit.
Clean brewing unit.
(Pour in no more than 2 level
measuring spoons of ground
coffee).
The brewing unit’s
mechanism is stiff.
Clean brewing unit (see
“Daily maintenance and
cleaning”).
Coffee or milk froth quality
varies considerably.
Build-up of limescale in the
appliance.
Descale the appliance with
two descaling tablets as
described in the instructions.
Water dripped onto the inner
floor of the appliance when
the drip tray was removed.
Drip tray removed too early. Wait a few seconds after the
last drink was dispensed
before removing the drip
tray.
If you are unable to solve the problem, do not try to find the fault yourself or dismantle
the appliance or repair it yourself. Call the hotline (see rear cover).
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