Bosch TES-50321 RW User Manual
19
en
TES503.. 01/2011
Problem
Cause
Solution
Coffee is too “bitter”.
The grinding setting is too
ine or the pre-ground cof-
fee is too ine.
Adjust the grinding unit to a
coarser setting or use coars-
er pre-ground coffee.
Unsuitable type of coffee.
Change type of coffee used.
Display shows
Error
Call hotline
The appliance has a fault.
Please call the hotline.
The water filter does not
stay in position in the water
tank (16).
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 (5) is soiled.
Clean brewing unit (5).
Too much pre-ground cof-
fee in the brewing unit (5).
Clean brewing unit (5).
(Pour in no more than 2
level measuring spoons of
ground coffee).
The brewing unit’s
mechanism is stiff.
Remove the brewing unit
and treat with a special
grease intended for this
purpose (Order No.
311368), see “Maintenance
and daily 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 (8) was re-
moved.
Drip tray (8) removed too
early.
Wait a few seconds after
the last drink was dispensed
before removing the drip
tray (8).
If you are unable to solve the problem, please call the hotline.
Simple troubleshooting