Turning On The Machine; Bleeding Manoeuvre - LAVAZZA WEGA EP 4100 BM Use And Maintenance Manual

E S P R E S S O P O I N T
4.4

TURNING ON THE MACHINE

Place the switch (C) on "1";
the automatic filling of water in the boiler and the
dispenser unit heating are activated when the machine
is switched on;
when the filling of water in the boiler has finished the
services boiler heating phase starts, indicated by the
sequential flashing of the LEDs of the keys 2-3-4-
7-8-9-hot water;
wait for the coffee machine to warm up completely,
indicated by the lighting of the green LED (D).
to ma e it easier to ll the boiler ith ater it is recommended that ou open the steam
no le taps to vent the air inside the s stem and then close the taps after the boiler has
been lled.
after the boiler has been completel
some ater and steam.
4.5

BLEEDING MANOEUVRE

The first time the machine is turned on, or following a long period of disuse, water bubbles may have formed inside the hydraulic
circuit, preventing the appliance from operating correctly.
For this reason, in such circumstances, perform the bleeding
manoeuvre and bleed any air bubbles as follows
Hydraulic circuit
1) turn the machine on as specified in paragraphs
4.1, 4.2, 4.3 and 4.4;
2) turn on the right-hand bleeder tap (A) situated
beneath the machine;
3) press a dispensing key (1) (for example
on the right-hand unit;
4) when dispensing is complete, turn off the right-
hand bleeder tap (A);
5) turn on the left-hand bleeder tap (B) situated
beneath the machine;
6) press a dispensing key (6) (for example
on the left-hand unit;
7) when dispensing is complete, turn off the left-hand bleeder tap (B).
Boiler
Every time the machine is turned on, dispense steam
(10) for at least 10 seconds.
68
english
espresso coffee machine - user instructions
7
8
9
lled ith ater it is recommended that ou dispense
)
10
D
1 1,5
2
0,5
2,5
0
bar
hot water
6
B
2
3
4
1
10
A