8 .5 PR ESSURE T RA N SD UCERS
The E1 PRIMA is equipped with two pressure
transducers: one reads the pressure of the
water after the pump and one reads the
steam boiler pressure.
As explained in paragraph 8.1, they are con-
nected to the control unit:
A
The water pressure transducer on
CN14.
B
The steam boiler pressure transducer
on CN15.
NOTE
The cable of the steam boiler pressure
transducer has a red label to recognise
it.
If the pressure in the smartphone app
Victoria Arduino E1 is unshown or certain-
ly wrong, check the cabling or replace the
proper pressure transducer.
8.5. 1 R EM OVA L OF T HE WAT ER
P RESS U RE T RAN SDU CER
The water pressure transducer is placed on
the back of the machine. To remove it, pro-
ceed as it follows:
1
Remove the cup holder surface, the side
panels and the rear panel, as described
in chapter 3.
Unplug the connector.
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
E
E
E L
L
L
E C
E
E
C
C
T R
T
T
T
R
R
I C
I
C
C
C
C
C
O M
O
M M
M
M
P
P
P
P
P
O
O
O
O
N
N
N
E
E
E
E
E
N
N
N
N
T
T
T
T
S
S
S
S
S
32
32
33
33
34
34
08
133
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