Bosch TES 502 Série Mode D'emploi page 44

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Problem
Display shows
Check water tank
The coffee grounds are
not compact and are too
wet.
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, always call the hotline!
You will find the telephone numbers at the back of these instructions.
Robert Bosch Hausgeräte GmbH
Cause
Water tank has been
incorrectly inserted or the
new water filter has not
been rinsed according to
instructions.
Carbonated water in the
water tank.
The grinding setting is too
fine or too coarse, or not
enough ground coffee has
been used.
Brewing unit (5) is soiled.
Too much pre-ground
coffee in the brewing unit
(5).
The brewing unit's
mechanism 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
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.
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 "Maintenance 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
e
off /
and hold the
h
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
j
(12) and