Nespresso Gemini CS220 PRO - Troubleshooting Common Issues; General Troubleshooting Checklist

ServicemanualEF702/705
63
T R O U B L E S H O O T I N G
5 T R O U B L E S H O O T I N G
Thischaptergivesusefulhintsandinformationforfaultfinding.Itisnotintendedasa
completelistofpossibleerrorsandmalfunctions.
5.1 Checklist
Withanacceptancecheckinaccordancewiththischecklist,commonerrorsarequickly
foundandcorrected.Therefore,adheretothesequenceofthechecklist.
Repaireveryoccurringerrorandworkthechecklistuntilitiscompleted.
Procedures Checks/repairworks
1 Inspecthousingofthecoffee
machineforvisibledamage
• Replacedamagedorbrokenhousingparts
• Replaceadamagedpowercord
2 Inspectaccessoryparts(milk
container,watertanks,capsule
containers,driptrays)
• Replaceincomplete,damaged,brokenormissingaccessories
• Cleandirtyorbadsmellingaccessoryparts(useonlydetergentsthat
donotaffectplastic)
• Cleanandpolishcorrodedcontactsurfacesofdriptrays
• Removefiltercartridgesfromwatertanks
3 Fillwatertanks
• Checktightnessofwatertankvalves
• Replaceleakingwatertank(s)
4 Preparecoffeemachinefor
operationandswitchonmains
switch
Ifstandbybuttonisnotredbacklightedandnocuplightingisvisiblefor
someseconds:
• Checkmainsvoltage
• Checkpowercord
• Checkthermofuses
• Checksecondaryvoltagesoftransformer
5 ReaddatawithServiceStick
(refertotheprocedureonServ
iceStickmanual)
• Connect,verifysoftwareversion,updateifnecessary
• Savemachine'sdataonPC(machinefollowup)
• Analysemachine'sdata
6 Turnmachineon
(pressstandbybutton)
• Checkdisplayformessages
7 Prepare
coffee(bothcoffeeoutlets)
hotwater
steam(CS220only)
• Checkdisplayformessages
• Checkcapsuleinsertionandejection
• Checkifcoffeemachineisleaking
8 Performfunctiontests
(seepage132)
9 Checkthecoffeeunitcounters
usingtheServiceStick(referto
chapter"Statistic"intheService
Stickmanual)
• Ifmachinehasreached5'000coffees(perextractionunit),replace
extractionchamberparts(pyramidplateandcoffeeoutlet)
10
Descalecoffeemachineifnec
essary(seepage45)
11SavestatisticdataonPC(refer
totheprocedureonService
Stickmanual)
12Cleancoffeemachine
(seepage41)
Endofchecklist