25 repair, Electronic main board, Thermoblock – Nespresso Essenza FS EF 474 User Manual

Page 25: Pump, Mains plug, Flow meter, On/off switch print “large cup” print “small cup

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25

Repair

Service Manual EF 473 / EF 474

en

Version 1.0

Electronic control board, wiring
diagram - Japan (100 V / 50-60 Hz)

1) Heat sink
2) Print for button "large cup" with LED
3) Print for button "small cup" with LED
4) Flow meter
5) NTC temperature sensor
6) Fine-wire fuse on thermoblock
7) On/Off switch
8) Fine-wire fuse on pump

Electronic Main Board

NTC

Thermoblock

T 167°C

Pump

T 128°C

Mains Plug

Heat

Pump

Flow meter

Neutral

Line

L N

On/Off switch

Print “large cup” Print “small cup”

1

2

1a

2a

1

3

2

5

4

7

6

8

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