Bosch TES503F1DE, Operating Instructions Manual

Page: 43 / 90

43 en
TES503.. 03/2012
Problem Cause Solution
Coffee is too “acidic”. The grinding setting is too
coarse or the pre­ground
coffee is too coarse.
Adjust the grinding unit to a
iner setting or use iner pre­
ground coffee.
Unsuitable type of coffee Use a darker roast.
Coffee is too “bitter”. The grinding setting is too
ine or the pre­ground cof­
fee is too ine.
Adjust the grinding unit to a
coarser setting or use coars­
er pre­ground 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.
Display shows
Check
water tank
Water tank has been
incorrectly inserted or the
new water ilter has not
been rinsed according to
instructions.
Insert the water tank
correctly or rinse the water
ilter according to instruc­
tions and then switch on.
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 pre­ground 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 and clean the
brewing unit, see “Mainte­
nance and daily cleaning”.
If you are unable to solve the problem, please call the hotline.
You will ind the telephone numbers at the back of these instructions.
Simple troubleshooting