Nespresso Essenza EF 470 Manual de usuario

en Service Manual Coffee Machine

EF 470

EF 471

Essenza

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

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.

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

13 14

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~

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

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

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.

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.

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.

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