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Chapter 3
Maintenance
The integrity of the machine and compliance of the
corresponding systems with the regulations shall
-
sonnel.
maintenance operations which require the disas-
sembling of components.
The operations described below shall be carried
the operation of the machine both from the point of
view of electrical safety and of hygiene.
INTRODUCTION
In order to ensure its correct operation, the machine
shall be subject to periodical maintenance.
Listed below are the operations to be carried out and
the related expiry dates; they are, obviously, indicative
because they depend on the conditions of use (i.e. water
hardness, environment humidity and temperature, type
of product used, etc.).
The operations described in this chapter do not include
all the maintenance interventions.
More complex interventions (i.e. descaling of the boiler)
shall be carried out by an engineer with specic knowl-
edge of the vending machine.
In order to avoid risks of oxidation or of chemical aggres-
sions in general, the painted surfaces and the surfaces
in stainless steel need to be kept cleaned by using neu-
tral detergents (avoid solvents).
Jets of water are to be absolutely avoided for wash-
ing the machine.
DOOR SWITCH
When the door is opened, a microswitch removes the
voltage from the electrical system of the machine.
When the door is open, voltage is given to the machine
by inserting the appropriate key.
protected by covers and which are highlighted with
a label “disconnect voltage before removing the
cover” remain live.
Before removing these covers it is necessary to dis-
connect the power supply cable from the mains.
The door can be closed only after removing the key from
the door switch.
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8
4
5
6
7
3
2
Fig. 30
1- Feritoia interruttore porta
2- Fusibile di rete
3- Sportello accesso fusibili pannello
4- Finestra ispezione LED
5- Finestra ispezione LED
6- Finestra ispezione LED
7- Connettore seriale
8- Pulsante ingresso programmazione
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