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25

FunctionTests

ServiceManualC91/D91 enVersion1.0

Checkingforleaksandpump

pressure(1)

Thefollowingcomponentsarecheckedfor

leaks:

 Compactbrewingunit(TCBU)

 Hoseconnections

 Thermoblock

 Pump

Preparation(unplugmachinefrommains):

1. Removerightsidepanel.

2. Openclosinghandle.

3. Insertconnectingandfixationunitofpres

sureadapterintocapsulebay(referto

page25).

4. Pressdownoperatinglever.

5. Positionpotunderneathexittubeofpres

sureplug.

6. Fillandinsertwatertank.

7. Connectmainscable.

Dangerousvoltageinsidecoffee

machine!Donottouchanylivepart

whileperformingchecks.

Hot,pressurizedpartsinsidecoffee

machine!Donottouchanyhotpart

whileperformingchecks.Wear

safetyglassesduringinspection.

Continuedonnextpage.

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Nespresso Essenza C91 User Manual

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