When the left and right-hand indicator lights flash alter -
nately, the machine must be descaled. Do this within the
next couple of days. Do not wait any longer, otherwise so
much limescale may collect that a descaling agent will no
longer have any effect.
Descaling takes about 45 minutes.
Descaling agent
• Use a standard, liquid, descaling agent suitable for coffee
and espresso machines. We achieved very good results
using durgol
®
swiss espresso
®
– a special descaling agent
for coffee machines. durgol
®
swiss espresso
®
is available
from any Tchibo branch and from specialist retailers.
Please observe the manufacturer’s instructions.
• The machine can also be descaled in a more environ-
mentally friendly manner, using a solution of citric acid
and water.
Descaling
1.
Press the On/Off switch to switch the machine off.
Using durgol
®
swiss espresso
®
:
Take the water tank out of the machine and pour one
portion (125 ml) of durgol
®
swiss espresso
®
into the
empty water tank. Add water up to the MAX mark.
Replace the tank.
Using citric acid:
Mix the citric acid with water and pour the solution into
the water tank. Ratio: 4 parts water to 1 part citric acid.
m
m
CAUTION
– damage to the
machine due to
limescale deposits
•
Descale the machine as soon
as the machine indicates that
this is necessary
(after approx.
50 litres). This increases its
service life and saves energy.
• Do not use any descaling agents
containing f
ormic acid.
• Only use the specified descaling
agents. Other agents may
damage materials in the appli-
ance and/or have no effect.
21
Descaling
Descaling
+
