71
that does not affect any metal, is important. Please use for decalcifying only the GAS-
TROBACK Premium Descaler (Art. No.: 98175). This Descaler contains special metal
gentle additives and is matched to the components used in our machines. Using the
GASTROBACK Premium Descaler a mixture of 50 ml descaler and max. 750 ml of
water is recommended. Due to the differences of water hardness and we can not
make any precise specifications on the frequency on the decalcifying. The following
table is a non-binding recommendation and is for guidance only.
hardness range
Recommended Frequency Litre
or Weeks
mild
every 150 Litre
every 16 to 20 weeks
medium
every 90 Litre
every 4 to 8 weeks
hard
every 60 Litre
every 2 to 4 weeks or when ›Clean
Me‹ lights up
ATTENTION:
Do not operate the appliance with completely empty water tank.
Turn off the appliance before you remove the water tank from the appliance.
1. Press the ›on/off‹-button to turn the power off and unplug the power cord. Let the
appliance cool down.
2. Remove the portafilter from the grouphead and the attachment of the steam
wand. Then pour the mixture of 750 ml water and 50 ml GASTROBACK Premi-
um Descaler into the water tank.
3. Plug the power cord into the outlet and turn the appliance on by pressing the
›on/off‹-switch. Place a pitcher or a suitable container under the grouphead and
the steam wand. Once the appliance has reached the operating temperature,
the heating indicator turns off.
4. Turn the selector switch to the right onto the espresso position and let about half
of the mixture of water and descaler run through the grouphead.
5. Switch the black selector switch onto the hot water position.
6. Turn the selector switch counterclockwise into the steam and hot-water position
and let the other half of the mixture of water and descaler run through the steam
wand.
7. As soon as the water level falls below the MIN mark, turn the selector switch
clockwise to center onto the standby position.
8. Press the ›on/off‹-button to turn the aplliance off and unplug the power cord from
the outlet. Remove the water tank from the aplliance and rinse the water tank
thoroughly with clean water. Then fill the water tank with clean water again.
9. Replace the water tank back on the aplliance and rinse the grouphead and the
