Bosch TES503 Series Operating Instructions Manual page 43

en
Simple troubleshooting
Problem
Coffee is too "acidic".
Coffee is too "bitter".
Display shows
Error
Call hotline
The water filter does not
stay in position in the water
tank (16).
Display shows
Check
water tank
The coffee grounds are not
compact and are too wet.
Display shows
Clean brewing unit
If you are unable to solve the problem, please call the hotline.
You will ind the telephone numbers at the back of these instructions.
Cause
The grinding setting is too
coarse or the pre­ground
coffee is too coarse.
Unsuitable type of coffee
The grinding setting is too
ine or the pre­ground cof­
fee is too ine.
Unsuitable type of coffee.
The appliance has a fault.
The water filter is not
mounted correctly.
Water tank has been
incorrectly inserted or the
new water ilter has not
been rinsed according to
instructions.
The grinding setting is too
fine or too coarse, or not
enough ground coffee has
been used.
Brewing unit (5) is soiled.
Too much pre­ground cof­
fee in the brewing unit (5).
The brewing unit's
mechanism is stiff.
Solution
Adjust the grinding unit to a
iner setting or use iner pre­
ground coffee.
Use a darker roast.
Adjust the grinding unit to a
coarser setting or use coars­
er pre­ground coffee.
Change type of coffee used.
Please call the hotline.
Firmly press the water filter
straight down into the tank
connection.
Insert the water tank
correctly or rinse the water
ilter according to instruc­
tions and then switch on.
Adjust the grinding unit to
a coarser or finer setting,
or use 2 level measuring
spoons of ground coffee.
Clean brewing unit (5).
Clean brewing unit (5).
(Pour in no more than 2
level measuring spoons of
ground coffee).
Remove and clean the
brewing unit, see "Mainte­
nance and daily cleaning".
TES503.. 03/2012
43