Saeco GranBaristo Avanti, Руководство по обслуживанию, Страница: 14 / 66

GRAN BARISTO 02 TECHNICAL SPECIFICATIONS
Page / 06
In case of return because the machine indicates no coffee one of the causes could be the loss of oil from the piston assembly.
To check this, proceed as follows:
To enter Test Mode
When the display is turning ON, press the key-
board buttons in the order described below:
4
3
2
1
Brew Unit
This page allows to test the functionality of Brew Unit, BU Encoder, frontal door and dreg drawer:
EV activate
The piston moves upward until it stops.
WARNING: Deactivate the EV only when
it goes back into its original position. Failing
to do so could result in air being sucked into
the circuit.
In case of oil leakage, remove the piston assembly clean any oil residue with a dry cloth and replace the piston assembly with a
new one.
NOTE: Oil is of vegetal origin, certi fi ed for food contact, H3 (maximum in terms of food safety for oils).
EV deactivate
The piston moves upward of approx. 5mm
(OK)
ERROR: excursion
>
5mm approx. is
(KO)
The meaning of the sectors are the following:
Command:
Work: when pressed moves the brew unit to WORK
Home: when pressed moves the brew unit to HOME
Ev Oil: when pressed activates/deactivates the Oil
electrovalve (24V Dc)
Rst: when pressed moves the brew unit in
RESET(extraction) position(stop the brew unit if was in
movement)
Press UP ( ): go to next page
OK
OK
KO
The piston moves up in case of lack of oil
BREW UNIT
Work Home mA: 0
0 Ev Oil Rst 4000
DDr H/W Door Pres
2.4. How to Check for oil leakage in piston assembly.
06
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