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 CONNECTION TO THE WATER
LINE AND DRAINAGE SYSTEM . 2.3
2.1.3 TECHNICAL SPECIFICATIONS..2.4
2.1.4 CONNECTION TO THE
POWER LINE ................2.4
2.1.5 PROCEDURE OF
FIRST INSTALLATION .........2.5
2.2 ACCESSORIES BOX .................2.7
2.2.1 FITTING THE FILTER HOLDER..2.7
2.3 COFFEE DOSE SETTING .............2.8
3. REMOVAL OF THE EXTERNAL
SURFACE ....................... 3.1
3.1 REMOVAL OF WATER TANK ..........3.2
3.2 REMOVAL OF THE CUP
HOLDER SURFACE ..................3.3
3.3 REMOVAL OF THE SIDE PANELS......3.4
3.4 REMOVAL OF THE REAR PANEL ......3.5
3.5 REMOVAL OF THE FRONT PANEL.....3.6
3.6 REMOVAL OF KEYBOARD............3.8
4. INFUSION UNIT.................. 4.1
4.1 REMOVAL OF SHOWER
AND SEAL ..................4.2
4.2 COFFEE VALVE ..............4.3
4.3 EXPANSION VALVE ...........4.5
5. HEATER ........................ 5.1
5.1 EMPTYING THE HEATER .............5.2
5.2 REMOVAL OF THE HEATER...........5.4
5.3 HEATING ELEMENT AND
HEAT PROTECTION..................5.5
5.4 REPLACEMENT OF THE
LEVEL GAUGE.......................5.6
5.5 ANTI-SUCTION VALVE................5.7
5.6 SAFETY VALVE ......................5.8
6. HYDRAULIC CIRCUIT ............ 6.1
6.1 PUMP DISASSEMBLY ................6.2
6.2 REPLACING THE COFFEE VALVE .....6.4
6.3 FLOWMETER........................6.6
6.4 HOT WATER VALVE ..................6.8
6.4.1 DISASSEMBLY
OF HOT WATER NOzzLE .....6.10
6.5 STEAM NOzzLE ....................6.10
6.6 WATER TANK ......................6.15
6.6.1 REPLACEMENT
OF THE FLOAT..............6.15
6.6.2 REMOVAL OF THE
MAGNETIC SENSOR.........6.16
6.6.3 REMOVAL OF THE
TANK MICROSWITCH........6.16
6.7 REMOVAL OF THE
PRESSURE SWITCH ................6.17
7. ELECTRIC COMPONENTS . . . . . . . . 7.1
7.1 CONTROL UNIT .....................7.2
8. TROUBLESHOOTING............. 8.1
8.1 WATER LACK LIGHT .................8.2
8.2 HEATING ELEMENT LIGHT ..........8.3
8.3 REMOVAL OF KEYBOARD............8.4
8.4 LIGHTS (LUX VERSIONS) .............8.5
8.5 COFFEE DELIVERY ..................8.6
8.6 WATER DELIVERY ...................8.7
8.7 STEAM DELIVERY ...................8.8
8.8 HEATER ............................8.9
9. DIAGRAMS ..................... 9.1
9.1 HYDRAULIC DIAGRAM
TANK VERSION......................9.1
9.2 HYDRAULIC DIAGRAM
DIRECT CONNECTION VERSION......9.2
9.3 WIRING DIAGRAM TANK VERSION ....9.3
9.4 WIRING DIAGRAM DIRECT
CONNECTION VERSION..............9.4
10. MAINTENANCE CHECKING ...... 10.1
10.1 DAILY MAINTENANCE...............10.2
10.2 WEEKLY MAINTENANCE ............10.2
10.3 YEARLY MAINTENANCE.............10.3
10.4 BIENNIAL MAINTENANCE ...........10.4
11. SPARE PART CATALOGUE ....... 11.1
11.1 CABINET PARTS....................11.2
11.2 COMPLETE POURING UNIT .........11.3
11.3 TANK FRAME COMPONENTS........11.4
11.4 DIRECT CONNECTION FRAME
COMPONENTS .....................11.5
11.5 STEAM & HOT WATER
VALVES PARTS .....................11.6
11.6 BOILER COMPONENTS .............11.7
11.7 ELECTRICAL COMPONENTS ........11.8
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