Nespresso Essenza EF 470 Bedienungsanleitung
en Service Manual Coffee Machine
EF 470
EF 471
Essenza
2
Service Manual EF 470 / EF 471 enVersion 1.1
Contents
Preface _____________________________ 3
Main Components__________________ 4
Overview ___________________________ 4
Overview of rating plates ______________ 5
Water circuit _________________________ 6
Technical data _______________________ 7
Operation___________________________ 8
Preparation _________________________ 8
Fill water system _____________________ 9
Making coffee ______________________ 10
Empty water system _________________ 11
Coffee machine status _______________ 12
Troubleshooting___________________ 13
Checking the machine on receipt ______ 13
Repair _____________________________ 15
General disassembly ________________ 15
Replacing thermoblock_______________ 16
Replacing NTC _____________________ 17
Replacing pump ____________________ 18
Replacing electronic control board with
button prints ________________________ 19
Replacing compact brewing unit (CBU) _20
Electronic control board, wiring diagram -
Europe (230V / 50 Hz) _______________ 21
Electronic control board, wiring diagram -
USA (UL, 120 V / 60 Hz) _____________ 22
Electronic control board, wiring diagram -
Japan (100 V / 50-60 Hz)_____________ 23
Descaling (1) _______________________ 24
Descaling (2) _______________________ 25
Measuring flow rate _________________ 26
Checking for leaks and pump
pressure (1) ________________________ 27
Checking for leaks and pump
pressure (2) ________________________ 28
Measuring coffee temperature ________ 29
Daily care and final cleaning __________ 30
Spare Parts ________________________ 31
Repair accessories __________________ 31
Spare parts EF 470__________________ 32
Spare parts EF 471__________________ 34
Notes ______________________________ 36
3
Service Manual EF 470 / EF 471 enVersion 1.1
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 470 and EF 471.
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.
4
Service Manual EF 470 / EF 471 enVersion 1.1
Main Components
Overview
1) Closing handle
2) Cover
3) Compact brewing unit (CBU)
4) Capsule inlet
5) Side panel
6) On/Off button
7) Coffee outlet
8) Coffee button, back lighted
9) Container for used capsules
10) Drip grid
11) Drip tray
12) Lower chassis
13) Thermoblock TB 2003
14) Electronic control board
15) Pump CP4-SP C2
16) Water tank connector
17) Upper chassis
18) Water tank
1
18
6
2
3
4
7
8
9
10
11
12
13 14
5
15
17
16
5
Main Components
Service Manual EF 470 / EF 471 enVersion 1.1
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: 0529 0074 7002 6100 018
05290 production date: 290th day of year 2005
07 machine partner codification
470 machine type
02 voltage / mains plug version
6 color version
1 production site
0001 incremental number per production day
8 checksum number
Typ:
MAGIMIX
NESPRESSO
Turmix
MADE IN EUROPE
0042699
1260W
60Hz
MADE IN SWITZERLAND
05290074 7002 6100 018
FR.6
HOUSEHOLD COFFEE MAKER
Type C90
LISTED 39C5
A.C.only
120V
1260W 50Hz
Fabriqué en Suisse
0042728
ref 11238
05290064 7105 5100 011
M100
220-240V
0040133
1260W 50Hz
MADE IN SWITZERLAND
05290044 7105 1100 014
KOENIG Capri 03161
220-240V~
KOENIG APPARATE AG ZÜRICH 17105
1260W 50Hz
MADE IN SWITZERLAND
0040624
TURMIX AG, 8645 Jona, Switzerland
05290084 7005 3100 019
220-240V~
TX100
17105
1260W50/60Hz
0040541
Type EN 90.R
05290014 7105 1100 011
220-240V~
P = 19bar
Ser.Nr.54213 S300075
1260W 50/60Hz
XN200610/1M0-4205
MADE IN SWITZERLAND
0042829
TYPE XN2006
05290054 7005 6100 019
220-240V~
6
Main Components
Service Manual EF 470 / EF 471 enVersion 1.1
Water circuit
1) Water tank
2) Water tank valve and connector
3) Pump
4) Thermoblock
5) Compact brewing unit (CBU)
6) Coffee outlet
5
6
43
2
1
7
Main Components
Service Manual EF 470 / EF 471 enVersion 1.1
Technical data 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
Capacities
Water tank 0.9 l
Drip tray approx. 100 ml
Capsule container 10 - 14 pcs.
Power consumption
(at all voltages and frequencies)
Thermoblock 1’200 W
Pump 60 W
Ratings
Preheating 8.5 Wh
1 small cup (55 ml) 6.5 Wh
1 large cup (110 ml) 10 Wh
Stand-by mode 9.5Wh
(machine on) (in 1 hour)
Stand-by mode 0.45Wh
(machine off) (in 1 hour)
Various data
Pre-heating time approx. 50 s
Safety temperature (thermal cut-off) 167° C
Coffee temperature at outlet 86° C ± 3° C
Weight of machine approx. 3 kg
(without water)
166 mm
255 mm
291 mm
166 mm
254 mm
291 mm
EF 470
EF 471
8
Service Manual EF 470 / EF 471 enVersion 1.1
Operation
Preparation
1. Fill tank with water.
2. Insert water tank in coffee machine.
3. Switch on machine by pressing the On/Off
button.
4. Position receptacle with a capacity of
min.100 ml under coffee outlet.
)Do not insert a capsule yet.
5. Wait until machine is ready (coffee button
is lighted).
6. Press coffee button to rinse coffee outlet.
7. Press coffee button again when
receptacle is filled.
1
2
5
3
4
67
9
Operation
Service Manual EF 470 / EF 471 enVersion 1.1
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 coffee button.
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 coffee button again to stop water
flow.
3
2
6
7
45
10
Operation
Service Manual EF 470 / EF 471 enVersion 1.1
Making coffee
1. Open closing handle.
2. Insert capsule.
3. Press down closing handle completely.
4. Position cup under coffee outlet.
5. Press coffee button.
6. Press button again to stop coffee flow
when cup is full.
7. Briefly open closing handle after coffee
preparation and eject capsule into capsule
container.
2
1
6
3
45
7
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1
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