English | 51
Bosch TCC78K751 | 01/2014
Checking the water hardness
The water hardness setting can be
adjusted on this appliance. It is important
to set the water hardness correctly, so that
the appliance indicates accurately when
the descaling programme should be run.
The factory setting for the water hardness
is 4. You can check the water hardness
using the enclosed test strip or by asking
your local water supplier.
Dip the test strip briefly in water, gently
shake off any drips, and check the result
after one minute.
Water hardness levels and settings:
Level Water hardness
German (°dH) French (°fH)
1
2
3
4
1-7
8-14
15-21
22-30
1-13
14-25
26-38
39-54
Tips on energy saving
The fully automatic espresso machine
switches off automatically after one
hour (factory setting). The default
time of one hour can be shortened
(see Auto off after under “Displaying
settings”).
If the appliance is not being used,
switch it off at the power switch.
If possible, do not interrupt coffee
or milk froth dispensing. Stopping a
process prematurely results in higher
energy consumption and the drip tray
fills up more quickly.
Always descale the appliance when
Service – descale is displayed (see
“Descaling”) to avoid a build-up of
limescale. Limescale residue results in
higher energy consumption.
Daily maintenance
and cleaning
Risk of electric shock!
Before cleaning the appliance,
switch it off at the power switch.
Do not use a steam cleaner.
Daily maintenance
1. Wipe the outside of the appliance with
a soft, damp cloth. Do not use abrasive
cloths or cleaning agents.
2. Always remove any limescale, coffee,
milk or descaling fluid residue
immedi ately. Such residue can cause
corrosion.
3. Do not use alcohol-based or spirit-
based cleaning agents on the high-
gloss surfaces.
4. Rinse out the water tank (14) with
water only.
5. Take off the grate (26). Pull out the
drip tray (27). Take off the drip tray
panel (29). Empty out any water and
coffee grinds (28). Clean the drip tray
or put it in the dishwasher. Do not put
the grate (26) or the drip tray panel
(29) in the dish washer.
6. The lid and the insulating cover of the
milk container should only be wiped
gently with a damp cloth. Do not put
them in the dish washer.
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