50
| English
Bosch
TCC78K750 | 01/2009
Problem
Cause
Solution
Display shows
Please check brewing unit
Brewing unit is soiled.
Clean brewing unit.
Too much pre-ground coffee
in the brewing unit.
Clean brewing unit.
(Pour in no more than 2 level
measuring spoons of ground
coffee).
Coffee or milk froth quality
varies considerably.
Build-up of limescale in the
appliance.
Descale the appliance with
two descaling tablets as
described in the instructions.
Water dripped onto the
inner floor of the appliance
when the drip tray was
removed.
Drip tray removed too early.
Wait a few seconds after the
last drink was dispensed
before removing the drip tray.
If you are unable to solve the problem, do not try to find the fault yourself or dismantle the
appliance or repair it yourself. Call the hotline (see rear cover).
Simple troubleshooting
