Nespresso Essenza FS Manuale utente

en Service Manual Coffee Machine

EF 473

EF 474

Essenza FS

Service Manual EF 473 / EF 474 enVersion 1.0

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

Programming _______________________ 11

Reset to factory settings______________ 12

Empty water system _________________ 13

Coffee machine status _______________ 14

Troubleshooting___________________ 15

Checking the machine on receipt ______ 15

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

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

Service Manual EF 473 / EF 474 enVersion 1.0

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

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

14 15

Main Components

Service Manual EF 473 / EF 474 enVersion 1.0

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: 278

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

0043801

1260W50Hz

MADE IN SWITZERLAND

0527 8044 7405 2100 015

Typ: KOENIG

Capri Automatic 03165

220-240V~

KOENIG APPARATE AG ZÜRICH 05105

1260W50Hz

Made in Switzerland

0043809

ref 11244

0527 80647405 2100 017

MAGIMIX M100 AUTO

220-240V

Fabriqué en Suisse

1260W50Hz

XN210540/1M0-4005

MADE IN SWITZERLAND

0044164

TYPE XN 2105

0527 80547305 4100 017

220-240V~

0044217

1260W50Hz

MADE IN SWITZERLAND

0527 80747305 9100 015

NESPRESSO Type C100

220-240V~

1260W50Hz

MADE IN SWITZERLAND

0044074

TURMIX AG, 8645 Jona, Switzerland

0527 80847305 9100 016

220-240V~

Turmix TX150

05105

1260W50/60Hz

MADE IN EUROPE

0044016

Type EN 95.M

0527 8014 7405 2100 012

220-240V~

P = 19 bar

Ser.Nr. 54013S300075

Main Components

Service Manual EF 473 / EF 474 enVersion 1.0

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

Main Components

Service Manual EF 473 / EF 474 enVersion 1.0

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 8.0 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

Weight of machine approx. 3 kg

(without water)

166 mm

255 mm

291 mm

166 mm

254 mm

291 mm

EF 473

EF 474

Service Manual EF 473 / EF 474 enVersion 1.0

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. 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.

Operation

Service Manual EF 473 / EF 474 enVersion 1.0

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.

Operation

Service Manual EF 473 / EF 474 enVersion 1.0

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.

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