Service Programmes; Descaling - Bosch TCC78K751 Operating Instructions Manual

Service programmes

At certain intervals, depending on how the
appliance is used, the display will show
one of the following texts instead of the
coffee selection:
Then the water filter should be changed
immediately or the appliance cleaned
or descaled using the corresponding
programme (described on the next pages).
Otherwise the appliance may be damaged.
The service programmes can also
be started manually in the settings
menu (see "Displaying settings").
Bosch
Do not drink the liquids. Never use vinegar,
vinegar-based products, citric acid or citric
acid-based products for descaling. For
cleaning and descaling only use the tablets
intended for such. They were specially
developed for this fully automatic espresso
machine, and replacements are available
from retailers or customer service (see
"Accessories").
Never put descaling tablets or any other
descaling agents in the drawer for ground
coffee/cleaning tablets.
Never interrupt the service programme.
If one of the service programmes is
interrupted, e.g. by a power cut, proceed
as follows:
1. Rinse the water tank (14) and refill it
with fresh water up to the "max" mark.
2. Press o start/stop (10). The cleaning
programme will now run for about
three minutes.
Cleaning
The appliance is ready for use again.

Descaling

Important: If there is a filter in
the water tank (14), it needs to
be removed before the service
programme is run and should only
be replaced once the programme
is finished.
If the prompt Service — descale is
displayed, press and hold down ° (9) for at
least three seconds. The display shows:
Descaling program Start with o
or
English | 55
TCC78K751 | 01/2014