Warnings Regarding Operation; Safety Devices - La Marzocco vulcano Mode D'emploi

9. Warnings regarding operation

• Do not leave the appliances turned ON
without coffee in the hopper.
• In the Vulcano Automatic,
pulling the dosing level partially,
always pull it all the way.
• Do not insert, when filling the hopper
with coffee beans, foreign objects.
Handle with clean hands.
• After any hopper filling and in normal
use of the appliance, the hopper lid
must be positioned correctly.

10. Safety devices

THERMAL OVERLOAD PROTECTION
The appliance's motor is protected
against overheating resulting from over-
currents by a thermal overload protec-
tion which, when tripped, cuts off the
power supply to the motor. Should the
protection trip as a result of anomalous
operation, such as the grinding blades
8
• FIRST INSTALLATION
For the correct use of the grinding
avoid blades, at the first installation or
whenever the grinding blades have
been replaced, grind some doses of
coffee. Do not use those first doses.
In the Vulcano on Demand, for the
appliance to function at its best, on its
first installation and every time the
hopper is cleaned, after having ground
a few coffee doses, clean the inner
surface of the funnel with a dry brush.
jamming, the appliance must be turned
off using the on-off switch,
PLUGGED FROM THE MAINS, AND
SKILLED TECHNICAL
CONTACTED. NEVER PERFORM ANY
WORK ON THE APPLIANCE WHILE IT IS
ATTACHED TO THE MAINS, TO AVOID
THE RISK THAT MOTOR TURNS ON
• OPERATING RANGE OF THE MOTOR
IN THE VERSIONS WITH SINGLE-
PHASE MOTORS, OBSERVE THE
DUTY CYCLE STATED IN THE LABEL
LOCATED ON THE SIDE OF THE AP-
PLIANCE.
E. g. : a data on the label 35s ON /
45s OFF points out an allowed duty
cycle of 35 seconds switched on and
45 seconds switched off.
APPLIANCES WITH THREE-PHASE
MOTORS ARE ALLOWED FOR CON-
TINUOUS WORKING.
In order to achieve good grinding, it is
nonetheless recommended to operate
the appliance at intervals, allowing it to
operate for no more than 10-15
minutes at a time.
SUDDENLY. If the appliance overheats
UN- as a result of the motor stopping, allow
the appliance to cool down before per-
PERSONNEL forming any repair work.
MOTOR LOCKING MICROSWITCH
The system that protects against acci-
dental contact with the rotating parts of
the grinding system consists of a