Bosch TES 503F Series Instruction Manual page 46

42
Problem
The water filter does not
stay in position in the water
tank (16).
Display shows
Check water tank
Display shows
Clean brewing unit
Coffee or milk froth quality
varies considerably.
Water dripped onto the
inner floor of the appliance
when the drip tray (8) was
removed.
Display shows
Insert brewing unit
Restore the unit to its
original factory settings
("Reset").
If you are unable to solve the problem, please call the hotline.
You will find the telephone numbers at the back of these instructions.
Robert Bosch Hausgeräte GmbH
Cause
The water filter is not
mounted correctly.
Water tank has been incor-
rectly inserted or the new
water filter has not been rinsed
according to instructions.
Carbonated water in the water
tank.
Brewing unit (5) is soiled.
Too much pre-ground coffee
in the brewing unit (5).
The brewing unit's mecha-
nism is stiff.
Build-up of limescale in the
appliance.
Drip tray (8) removed too
early.
Brewing unit (5) is missing or
was not recognised.
You changed some settings
and want to discard them.
Solution
Firmly press the water filter
straight down into the tank
connection.
Insert the water tank correctly
or rinse the water filter
according to instructions and
then switch on.
Fill the water tank with fresh
tap water.
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".
Descale the appliance as
described in the instructions.
Wait a few seconds after
the last drink was dispensed
before removing the drip
tray (8).
Switch off the appliance with
the brewing unit (5) in place,
wait three seconds and
switch on the appliance.
Turn off the unit with the
power on/off switch O / I (9).
Press and hold the
h
(12) and the (11) button
and turn the appliance on
with the power on/off switch
O / I (9). Confirm by pressing
the start button start (10).
The factory settings are now
activated.
en
e
j
off /