Nespresso EF 734 Manuals

Manuals and User Guides for Nespresso EF 734. We have 1 Nespresso EF 734 manual available for free PDF download: Service Manual

Nespresso EF 734 Service Manual (224 pages)

Brand: Nespresso | Category: Coffee Maker | Size: 61 MB

Table of Contents
2
Preface
6
Content Updates
6
General Safety Notes
7
Main Components
8
Overview - Gemini Coffee Machine Range
8
Overview - Front Side of Gemini CS203
9
Overview - Front Side of Gemini CS223/224
10
Overview - Removable Parts
11
Optional Parts
11
Overview - Rear Side
12
Overview - Operating Elements and Display
13
Interior View
14
Type Plate
16
Fluid System
17
Fluid System of Gemini CS203
17
1Fluid System of Gemini CS223/224
18
Technical Data
19
Installation
21
Direct Water Connection (DWC)
21
Safety Instructions and References to Standards
21
Safety Measures
24
Operation
26
General Information
26
Preset Filling Amounts
26
Multiple Procurements
26
Coffee Machine Displays
27
Button Colours
27
Display Messages
27
Operation
28
Maintenance
28
Programming
29
Programming the Cup Volume by Push-Button
29
Super User Menu
29
Access to Super User Menu
30
Navigation in Super User Menu
30
Super User Menu Selection
32
Super User Menu Points
33
Water Hardness
34
Display Contrast
38
Reset to Factory Settings
38
Power User Menu
39
Access to Power User Menu
39
Power User Menu Selection
40
Power User Menu Points
40
Parameter Table
43
Maintenance
47
Neslink
47
Clean Milk Outlet
47
Daily Maintenance and Cleaning
47
Change Water Filters (Optional)
47
Descaling
48
Extraction Unit Maintenance
48
Security Check
48
Lubrication of Extraction Unit
49
Wearing Parts
50
Maintenance Schedule
50
Troubleshooting
51
Check List
51
Error Messages
52
Capsule Not Ejected
52
Troubleshooting
53
Call Nespresso Club - Machine Blocked
53
Drip Tray Display Messages
53
Coffee Capsule Falls through
54
Only Hot Water During Coffee Preparation
54
No or too Less Steam for Milk Preparation
55
Noisy Extraction Unit
55
Direct Water Connection Problems
55
Repairs
57
Safety Instructions
57
1Security Check
57
General
58
1Repair and Mounting Tips
58
2Tools and Accessories
59
3Overview of Plug-In Modules
60
General Disassembly
61
1Opening the Casing
61
Coffee Pump / Flow Meter Module
69
1Removing Coffee Pump / Flow Meter Module
69
2Replacing Coffee Pump
70
3Replacing Thermostat of Coffee Pump
71
4Replacing Flow Meter
72
5Replacing Left / Right Contact Bank
73
Extraction Unit
74
1Replacing Worn Parts
74
2Replacing Extraction Unit
76
3Replacing Motor and Spindle of Extraction Unit
77
4Replacing Safety Lid with Micro Switch
78
Hot Water / Steam Module (CS223/224 Only)
80
1Removing Display
80
2Removing Hot Water / Steam Module
81
3Replacing Steam Thermoblock of Hot Water / Steam Module
82
4Replacing Pump of Hot Water / Steam Module
83
5Replacing Cappuccino Keyboard of Hot Water / Steam Module
84
6Replacing Cappuccino Power PCB of Hot Water / Steam Module
85
7Replacing Solenoid Valves of Hot Water / Steam Module
86
8Replacing Steam Outlet of Hot Water / Steam Module
87
9Replacing Micro Switch for Milk Container Detection
88
10Replacing Micro Switch for Middle Drip Tray Detection
89
Hot Water Module (CS203 Only)
90
1Removing Display
90
2Removing Hot Water Module
91
3Replacing Hot Water Keyboard
92
4Replacing Hot Water Outlet
93
5Replacing Middle Contact Bank
94
Basic Coffee Machine - Non-Modular Parts
95
1Replacing Coffee Thermoblocks
95
Position of Components
95
2Replacing Solenoid Valves
99
Replacing Display, Pcbs and Transformer
102
Replacing Transformer
106
4Replacing Keyboards
107
5Replacing Detection Sensors
109
6Replacing Micro Switches
112
7Replacing Illumination Components
114
8Replacing Neslink Device
115
Block Diagrams
119
1Block Diagram of CS203 Coffee Machine (EF 903 / EF 733)
119
2Block Diagram of CS223/224 Coffee Machines (EF 904 / EF 727 / EF 734)
120
Wiring Diagrams
121
1Wiring Diagrams of CS203 Coffee Machine (EF 733 / EF 903)
121
2Wiring Diagrams of CS223 and CS224 Coffee Machines (EF 727 / EF 733 / EF 904)
123
Function Tests
126
Safety Instructions
126
Required Equipment
127
Security Check of Safety Lids
128
Measure Coffee Temperature
129
Measure Flow Rate of Coffee Units
131
Preparation
131
Test Run
133
Pressure and Leakage Checks for Coffee Units
134
Preparation
134
Test Run
134
Performance Checks for Cappuccinatore Unit (CS223/224 Only)
137
NESLINK Test
139
Protective Earth (PE) Continuity Test
140
What Is the Protective Earth Continuity Test about
140
General
140
Test Sequence
141
What to Do if the Protective Earth Continuity Test Fails
143
Protective Insulation Test
144
1What Is the Protective Insulation Test about
144
2General
144
3Test Sequence
145
4What to Do if the Insulation Test Fails
149
Exploded Drawings
150
Exploded Drawings of CS203 Coffee Machine (EF 733)
150
Exploded Drawings of CS203 Coffee Machine (EF 903)
160
Exploded Drawings of CS223 Coffee Machine (EF 734)
170
Exploded Drawings of CS223 Coffee Machine (EF 904)
182
Exploded Drawings of CS224 Coffee Machine (EF 727)
194
Spare Parts
206
Spare Parts List for CS203 (EF 903)
206
Spare Parts List for CS223 (EF 904)
211
Spare Parts List for CS224 (EF 727)
217
Notes
223

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Nespresso EF 734 Service Manual (224 pages)

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