Nespresso EF 474, EF 473 manual Contents

Page 2

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

Service Manual EF 473 / EF 474

2

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

Version 1.0 en

Page 1 Page 3
Image 2
Page 1 Page 3
Contents Essenza FS Contents Preface Main Components OverviewOverview of rating plates Serial number codificationWater circuit Technical data Do not insert a capsule yet OperationPreparation Procedure to fill water system Fill water systemMaking coffee Programming Reset to factory settings Empty water system Operating status of coffee buttons Operating modes Left Coffee buttons LED signals RightCoffee machine status Troubleshooting Checking the machine on receiptFurther details in order to take decision Tool General disassemblyRepair Replacing thermoblock and NTC ToolsProcedure for On/Off switch Replacing flow meter and On/Off switchProcedure for flow meter Replacing pump Replacing electronic control board with button prints Replacing compact brewing unit CBU Pump Pump On/Off switch Repair Descaling Carefully read safety instructions on decalcifier packageDescaling Rinsing SecMeasuring flow rate Checking for leaks and pump pressure Preparation unplug machine from mainsSwitch off machine Open valve to empty pressure gauge Measuring coffee temperature Coffee temperature should be approx C ± 3 C 187 F ± 5.4 FDaily care and final cleaning Procedure machine is switched offRepair accessories Spare PartsSpare parts EF Electronic set 230V EF Coffee outlet & front ring EF 471 package 29 39154 Coffee buttonEF 30 43061 Espresso button EF 26392 Version 1.0 en
Top Page Image Contents