18
Robert Bosch Hausgeräte GmbH
en
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 (20) does
not stay in position in the
water tank (17).
The water filter (20) is not
mounted correctly.
Firmly press the water filter
(20) 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 pur-
pose (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 in-
ner floor of the appliance
when the drip tray (8) was
removed.
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
TES506_1RW.indb 18
16.06.2011 13:51:09
