Maintenance And Periodic Cleaning Operations - La Marzocco linea Bedienungsanleitung

7. Maintenance and Periodic Cleaning Operations

WARNING
If the above-mentioned
instructions are not adhered
to the manufacturer cannot be
held responsible for damage to
persons or things.
WARNING
In order to prevent cracks or
leakage: do not store or install
the coffee machine in places
where temperature may cause
water in boiler or hydraulic
system to freeze.
WARNING
The machine is intended to be
permanently connected to fixed
wiring, and it is advisable that
a residual current device (RCD)
with a rated residual operating
current not exceeding 30mA is
installed.
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WARNING
The machine must be installed so
that qualified technical presonnel
can easily access it for eventual
maintenance.
WARNING
The machine must not be dipped
in, nor splashed with, water in
order to clean it. For cleaning
operations, please follow the
instructions listed below very
carefully.
WARNING
Do not remove the filter holder
while relative group is brewing
hot liquids.
The Coffee Boiler contains
water at elevated temperature.
Water temperature over 125°F
/ 52°C can cause severe
burns instantly or death from
scalding.
WARNING
This machine is for professional
use only and should be installed
in locations where its use and
maintenance is restriced to
trained personnel.
WARNING
Jets of water should not be used
to clean the machine, nor should
it be placed where water jets are
used.
Cleaning groups and drain wells
Insert the blind filter into portafilter and
put the correct amount of espresso cle-
aning product (following the product's
instructions) into the filter, engage the
portafilter into the group you want to
clean.
• Press the brewing button for said group,
as if you were making a regular cup of
coffee. Stop the water after about 15-20
seconds.
• Start and stop the group several times
until you notice clear water being released
instead of soapy water when you remove
the portafilter.