Edition 01 of 08/2017
III
SERVICE MANUAL
INDEX
1. MACHINE DESCRIPTION ......... 1.1
1.1 DESCRIPTION .......................1.2
1.2 KEYBOARD DESCRIPTION
(Standard configuration) ..............1.
3
1.3 SAFETY REGULATIONS ..............1.4
1.4
MACHINE IDENTIFICATION ..........1.7
1.5 TRANSPORT ........................1.8
1.5.1 HANDLING ..................1.8
2. FIRST INSTALLATION AND
PRELIMINARY OPERATIONS ...... 2.1
2.1 FIRST INSTALLATION ................2.2
2.1.1 WEIGHT AND DIMENSIONS....2.2
2.1.2
WATER SPECIFICATIONS .....2.3
2.1.3
ELECTRICAL SPECIFICATIONS. 2.3
2.1.4 CONNECTION TO
WATER SUPPLY .............2.5
2.1.5
PROCEDURE OF FIRST
INSTALLATION ..............2.6
2.1.6 PRESSURE ADJUSTMENT.....
2.8
2.1.7 HOT WATER ECONOMISER
ADJUSTMENT ...............
2.8
2.2
CABLE STRIP COVERING (optional) . . . 2.9
2.2.1 PROGRAMMING BEFORE
INSTALLATION ..............2.9
2.2.2
SETTING OF LANGUAGE,
DATE AND TIME .............
2.9
2.2.3 SETTING OF T3
TEMPERATURES............2.10
2.2.4 SETTING OF DOSES
(VOLUMETRIC VERSION) .....2.13
3. REMOVAL OF THE
EXTERNAL SURFACE ............ 3.1
3.1 REMOVAL OF THE
CUP HOLDER SURFACE .............3.2
3.2 REMOVING OUTER PANELS ..........3.
3
3.3 REMOVAL OF THE FRONT,
LOWER PANEL . . . . . . . . . . . . . . . . . . . . . . 3.4
3.4 REMOVING THE GROUP COVER ......
3.5
3.5 REMOVING THE TFT SCREEN ........
3.7
4. INFUSION UNIT.................. 4.1
4.1 REMOVAL OF SHOWER
AND GASKET................4.4
4.2 REPLACING THE
GAS
KET IN THE..............4.5
PRE-INFUSION CHAMBER.....4.5
4.3 REMOVAL OF THE
TEMPERATURE PROBE,
AND UNIT HEATING ELEMENTS
(T3 VERSION ONLY) ..........4.6
4.4 COFFEE VALVE ..............
4.8
5. STEAM HEATER ................. 5.1
5.1 EMPTYING THE HEATER .............5.2
5.2 ACCESS TO THE HEATER ............5.
4
5.3 HEATING ELEMENT AND
HEAT PROTECTION..................
5.5
5.4 REPLACEMENT OF THE
LEVEL GAUGE.......................5.
7
5.5 ANTI-SUCTION VALVE................
5.8
5.6 SAFETY VALVE ......................5
.9
5.7 HEAT EXCHANGERS
(T3 VERSION ONLY) ..................5
.9
6. COFFEE BOILERS ............... 6.1
6.1 COFFEE BOILERS ...................6.2
6.2 ACCESS TO COFFEE BOILERS .......6.2
6.2.1
ACCESS TO THE UPPER
PART OF THE HEATER........6.
2
6.2.2 ACCESS TO THE BOTTOM
OF THE HEATER .............6.3
6.3
EMPTYING OF THE COFFEE BOILER . . 6.4
6.4
TEMPERATURE PROBE ..............6.
6
6.5 REPLACEMENT OF THE
TEFLON INJECTOR ..................6
.8
6.6 REMOVAL OF THE HEATER..........6.11
6.7 THERMAL FUSE REPLACEMENT .
. .
. 6.12
6.8 PROCEDURE FOR AUTOMATICALLY
FILLING THE COFFEE BOILER .......6.13
7. HYDRAULIC CIRCUIT ............ 7.1
7.1 DRAINING TUBS AND
SERVICE TAPS ......................7.2
7.2
THE PUMPING ELEMENT........... 7.4
7.3
REMOVAL OF THE PUMP .......... 7.5
7.4 REMOVAL OF THE CAPACITOR .......7.6
7.5
REMOVING AND
REPLACING THE MOTOR ..........7.6
7.6 REPLACING THE COFFEE VALVE .....7.8
7.7 FLOWMETER AND NON-RETURN
VALVE (ONLY VERSION V) ...........7.10
7.8 HOT AND COLD W
ATER VALVE ......7.16
7.9 STEAM NOZZLE ....................7.19
8. ELECTRIC COMPONENTS . . . . . . . . 8.1
8.1 CONTROL UNIT .....................8.2
8.2 THE CONTACTOR ...................8.6
8.3 ST
ATIC RELAYS .....................8.7
8.4 ACCESS TO THE ST
ATIC RELAYS
AND THE SENSOR CARD ...........8.10
8.5 ACCESS AND REPLACEMENT OF
THE DIGITAL PRESSURE GAUGE ....8.11
8.6 REPLACEMENT OF TFT SCREEN . .
. . 8.12
8.7 UPDATING THE TFT SCREEN ........8.14
8.8
REPLACEMENT OF GROUP PUSH
BUTTON PANELS AND SCREENS....8.16
8.9 MACHINE CONFIGURATION .........8.18
8.10 GRAVIMETRIC CONTROL UNIT ......8.19
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