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474
User Manual
38 pgs12.86 Mb0
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Nespresso 473, 474 User Manual

en Service Manual Coffee Machine
EF 473 EF 474
Essenza FS
Contents
Preface _____________________________ 3
Main Components__________________ 4
Operation___________________________ 8
Preparation _________________________ 8 Fill water system _____________________ 9 Making coffee ______________________ 10 Programming _______________________ 11 Reset to factory settings______________ 12 Empty water system _________________ 13 Coffee machine status _______________ 14
Troubleshooting___________________ 15
Checking the machine on receipt ______ 15
Electronic control board, wiring diagram ­USA (UL, 120 V / 60 Hz) _____________ 24
Electronic control board, wiring diagram ­Japan (100 V / 50-60 Hz)_____________ 25
Descaling (1) _______________________ 26 Descaling (2) _______________________ 27 Measuring flow rate _________________ 28 Checking for leaks and pump
pressure (1) ________________________ 29 Checking for leaks and pump
pressure (2) ________________________ 30 Measuring coffee temperature ________ 31 Daily care and final cleaning __________ 32
Spare Parts ________________________ 33
Repair accessories __________________ 33 Spare parts EF 473__________________ 34 Spare parts EF 474__________________ 36
Notes ______________________________ 38
Repair _____________________________ 17
General disassembly ________________ 17 Replacing thermoblock and NTC ______ 18 Replacing flow meter and On/Off switch 19 Replacing pump ____________________ 20 Replacing electronic control board with
button prints ________________________ 21 Replacing compact brewing unit (CBU) _22 Electronic control board, wiring diagram -
Europe (230V / 50 Hz) _______________ 23
Service Manual EF 473 / EF 474 enVersion 1.0
2

Preface

The purpose of this Service Manual is to provide the service personnel with all necessary information with regards to correct handling, maintenance and repair of the coffee machines EF 473 and EF 474.
This manual should be used by the technicians as a valuable aid to guarantee the permanent readiness for use of the machine. In order to take full advantage of all the functions, it is absolutely necessary to follow the instructions in this manual.
Please keep this manual together with the corresponding service documentation. This way you are assured to have the necessary information.
For fast access to information directly from the PC or MAC monitor, this manual is also available on CD-ROM. The required utility (Adobe Acrobat), also on this CD-ROM, runs on PC and MAC computers.
Service Manual EF 473 / EF 474 enVersion 1.0
3

Main Components

Overview

1) Closing handle
2) Cover
3) Compact brewing unit (CBU)
4) Capsule inlet
5) Side panel
6) Flow meter
7) Button "small cup", back lighted
8) Coffee outlet
9) Button "large cup", back lighted
10) Container for used capsules
11) Drip grid
12) Drip tray
13) Lower chassis
14) Thermoblock TB 2003
15) Electronic control board
16) Pump CP4-SP C2
17) Water tank connector
18) On/Off switch
19) Upper chassis
20) Water tank
12
11
10
1
4
5
6 7
8
9
3
2
20
13
18
14
Service Manual EF 473 / EF 474 enVersion 1.0
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15
16
17
19
Main Components

Overview of rating plates

The rating plate
- can be found at the underside of the coffee machine,
- may be of varying design, depending on the brand,
- carries the following information:
• Machine type
• Voltage and power rating
• Approval seal(s)
• Data matrix
• Serial number
• Bar code (Krups)
Serial number codification
Example: 0527 8074 7305 9100 015
05278 production date: 278th day of year 2005 07 machine partner codification 473 machine type 05 voltage / mains plug version 9 color version 1 production site 0001 incremental number per production day 5 checksum number
NESPRESSO
220-240V~
1260W50Hz
MADE IN SWITZERLAND
Type C100
0527 8074 7305 9100 015
Typ: KOENIG
220-240V~
MADE IN SWITZERLAND
KOENIG APPARATE AG ZÜRICH 05105
Capri Automatic 03165
1260W50Hz
0527 8044 7405 2100 015
MADE IN EUROPE
Type EN 95.M
220-240V~
0527 8014 7405 2100 012
Ser.Nr. 54013 S300075
1260W50/60Hz
P = 19 bar
4217 004
0043801
0044016
MAGIMIX M100 AUTO
ref 11244
220-240V Made in Switzerland
Fabriqué en Suisse
1260W50Hz
0527 8064 7405 2100 017
Turmix TX150
TURMIX AG, 8645 Jona, Switzerland
220-240V~ MADE IN SWITZERLAND
0527 8084 7305 9100 016
220-240V~
0527 8054 7305 4100 017
1260W50Hz
TYPE XN 2105
1260W50Hz
MADE IN SWITZERLAND
XN210540/1M0-4005
05105
0044164
0043809
0044074
Service Manual EF 473 / EF 474 enVersion 1.0
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Main Components

Water circuit

1) Water tank
2) Water tank valve and connector
3) Flow meter
4) Pump
5) Thermoblock
6) Compact brewing unit (CBU)
7) Coffee outlet
6
7
1
3
2
5
Service Manual EF 473 / EF 474 enVersion 1.0
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4
Main Components

Technical data

EF 473
291 mm
166 mm
EF 474
291 mm
255 mm
Mains
EUR 230V / 50 Hz USA /CAN 120 V / 60 Hz JAP 100 V / 50-60 Hz
Approvals SEV, CENELEC, CE-conform,
UL, CUL, MITI
Cable length ~1,5 m
Pump data
Pump pressure
- max. permissible 17,5 bar ±1,5 bar
- during coffee preparation 9 -13 bar (depending on brand of coffee)
Flow performance 120-240 ml/min. at 12 bar
Power consumption
(at all voltages and frequencies) Thermoblock 1’200 W Pump 60 W
Ratings
Preheating 8.0 Wh 1 small cup (40 ml*) 4.5 Wh 1 large cup (110 ml*) 9.5 Wh Stand-by mode (in 1 h) 11 Wh
* factory setting
Various data
Pre-heating time approx. 50 s
Safety temperature (thermal cut-off) 167° C Coffee temperature at outlet 86° C ± 3° C
254 mm
Capacities
(without water) Water tank 0.9 l Drip tray approx. 100 ml Capsule container 10 - 14 pcs.
166 mm
Weight of machine approx. 3 kg
Service Manual EF 473 / EF 474 enVersion 1.0
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Operation

Preparation

1. Fill tank with water.
2. Insert water tank in coffee machine.
3. Switch on machine with On/Off switch.
4. Position receptacle with a capacity of min.100 ml under coffee outlet.
Do not insert a capsule yet.
)
5
1
4
5. Wait until machine is ready (both buttons are lighted).
6. Press button "small cup" or "large cup" to rinse coffee outlet.
7. Press the same button again in case the receptacle is filled.
2
6
7
3
Service Manual EF 473 / EF 474 enVersion 1.0
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Operation

Fill water system

If the coffee machine cannot pump water although there is water in the tank, the water circuit may be empty.
Procedure to fill water system:
1. Perform steps 1 to 5 for preparation (see page 8).
2. Open closing handle in vertical position.
3. Press button "large cup".
4. Press and hold closing handle to rear end position.
5. Observe capsule inlet for appearing water.
6. Press down closing handle immediately when first droplets are visible.
7. Press button "large cup" again to stop water flow.
2
3
6
45
7
Service Manual EF 473 / EF 474 enVersion 1.0
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Operation

Making coffee

1. Open closing handle.
2. Insert capsule.
3. Press down closing handle completely.
4. Position cup under coffee outlet.
5. Press button "small cup" or "large cup". Coffee flow starts and stops automaticly.
6. In case the cup is going to flow over, press the same button again.
7. Briefly open closing handle after coffee preparation and eject capsule into capsule container.
1
2
4
3
5
7
6
Service Manual EF 473 / EF 474 enVersion 1.0
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Operation

Programming

The filling amount for coffee is preset and can be changed with the following procedure.
Factory settings:
)
Button "small cup" ........................40ml
Button "large cup".......................110ml
1. Switch on machine.
2. Open closing handle.
3. Insert capsule.
4. Press down closing handle completely.
5. Position a cup under coffee outlet.
6. Press and hold button "small cup" for at least 3 seconds to start the programming mode.
7. Release button after desired filling amount is in cup.
8. Briefly open closing handle after coffee preparation and eject capsule into capsule container.
9. Repeat programming procedure with button "large cup".
2
3
3 sec
6
5
1
7
8
4
Service Manual EF 473 / EF 474 enVersion 1.0
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Operation

Reset to factory settings

1. Switch off machine.
2. Press and hold button "large cup".
3. Switch on machine.
4. Release button.
2
1
4
3
Service Manual EF 473 / EF 474 enVersion 1.0
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