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Nespresso EF485/486, EF483/484, EF487/488 manual 111

Models: EF487/488 EF483/484 EF485/486

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R E P A I R S

13.Insert disassembly tool laterally into gap at the front.

14.Carefully turn disassembly tool slightly forward to open the first latch.

15.Move disassembly tool upwards and open the other two latches the same way.

	16.	At the back insert disassembly tool into shadow gap of right side panel.	Insert disassembly
	17.	Swivel disassembly tool carefully to open first latch.	tool at right angles
	18.	Move disassembly tool upwards and repeat procedure for the other 2 latches.	only. Otherwise the
	18.		shadow gap can be dam
			shadow gap can be dam

aged.

Citiz service manual

111

Image 111

Nespresso EF485/486, EF483/484, EF487/488 manual 111

Contents

Service MA NUA L Citiz Coffee MA Chines Contents Repairs 130 Content Upda TES Prefa CEVersion To contact with both cir cuit conductors Genera L SA Fety NotesModel Overview Model rangeWith core unit Drange With core unit Crange Core unit versions rangeCrangeDifferent components range Overview core unit, Drange MA in ComponentsInterior view core unit, Drange Overview core unit, Crange Interior view core unit, Crange Overview model Citiz Overview model Citiz & milk Overview milk frother AERO3 Overview model Citiz & Co Fluid System Water circuit diagram of core unit all Citiz versionsWater circuit of models Citiz/Citiz & milk Water circuit of model Citiz & Co Nespresso, EUversion Technica L DA TARating plates Examples of brand specific rating platesKoenig, CHversion DeLonghi, EUversionMagimix, EUversion Krups, EUversionTurmix, ATversion Rating plate detailsRating plate of milk frother model Citiz & milk Decoding the alphanumeric serial numberExample Technical data of coffee machines Summary of technical dataVarious data TemperaturesPump CapacitiesTechnical data of milk frother model Citiz & milk Dimensions and weight model Citiz TemperaturePerformance data Dimensions and weight milk frother Dimensions and weight model Citiz & milkDimensions and weight model Citiz & Co Status indication of coffee machine Opera TionGeneral information Status indicationButton Status indication of milk frother AERO3 Machine status etc Operating button Light signalEnter mode Actions Exit mode Machine modesMachine modes of Citiz coffee machines Machine mode Machine mode Enter mode Actions Exit modeMachine modes of milk frother AERO3 Program/reset fill up level Resetting the fill up levelProgramming the fill up level Empty water system Daily maintenance and cleaning MA Intena NCEBefore first coffee or at the start of day After last coffee or at the end of day Milk frother of model Citiz & milk Descaling Descaling procedure for models Citiz and Citiz & milkObserve the safety instructions on the descaler package I N T E N a N C E Rinse thoroughly to remove any residue Descaling procedure for model Citiz & Co Do not open handles dur ing descaling process I N T E N a N C E I N T E N a N C E Check Error symptoms Troub L EshootingCheck list for coffee machine all models Work Check Error symptoms MeasureFurther measures / repair Work Error symptoms Measure Repair workCheck list for milk frother CheckSafety instructions Repa IRSRepair and mounting tips Bottom of platform Residual water Wiring arrangementDesignation of spare parts Electrostatic discharge protectionTools and accessories General disassembly Platform disassembly model CitizBottom cover Assembly checkpoints Replacing water tank connector Replacing mains switch Assembly checkpoints Replacing power cord Wiring with twocore power cord Wiring with threecore power cordRemoving core unit Use apair of flat pliers Assembly checkpoints Platform disassembly model Citiz & milk P a I R S P a I R S Assembly checkpoints Replacing water tank connector Assembly checkpoints Replacing milk frother connector Receptacles Replacing power cord Assembly checkpoints Removing core unit Tacle Assembly checkpoints Platform disassembly model Citiz & Co Core units are If necessary use a screwdriver to remove protective cover Assembly checkpoints Replacing water tank connector Replacing mains switch Assembly checkpoints Replacing power cord Assembly checkpoints Removing core units Assembly checkpoints Remove left side panel Disassembly of core unit, CrangeP a I R S Remove blind Remove right side panelRemove front cover with outlet Remove coverAssembly checkpoints Replacing compact brewing unit Assembly checkpoints General Replacing pumpReplacing pump assembly Seat for the fork wrench Assembly checkpoint Replacing flow meter101 Replacing automatic priming device APD 103 Replacing thermoblock with NTC sensor and fine wire fuses 105 Replacing NTC temperature sensorAssembly checkpoint NTC temperature sensor Replacing fine wire fusesAssembly checkpoints thermoblock Assembly checkpoints fine wire fuses107 Replacing electronic control board with button printsP a I R S Disassembly of core unit, Drange Remove outlet109 Remove right side panel 111 Swing up and remove right side panel 113 Closing handle should be opened 115 Refer to page 114 for removing cover 117 Wiring diagrams Wiring diagrams model CitizWiring diagram 220 V 240 V IEC model Citiz, EF 483/484 119 Wiring diagram 120 V UL USA/Canada model Citiz, EF 483/484P a I R S 121 Wiring diagram 110 V IEC Taiwan model Citiz, EF 483/484 123 Wiring diagram 100 V IEC Japan model Citiz, EF 483/484Wiring diagrams model Citiz & milk, EF 485/486 125 P a I R S 127 Wiring diagrams model Citiz & Co, EF 487/488 129 Function Tests Required equipmentOverview 131 Citiz pressure gauge adapterMeasure flow rate 133 Pressure and leakage checksPreparations 135 Test runMeasure coffee temperature 137 Coffee temperature should be 86 C ± 3 C 187 F ± 5.4 FPrerequisite Measure hot milk temperatureMilk frother tests Measure milk froth ratio139 NTC temperature sensor functionalityNTC Diagram NTC temperature NTC min. resistance NTC max. resistanceMeasurement table 141 Protective earth PE continuity testWhat coffee machine has to be tested and when? GeneralResistance must be lower than Ohm Test sequenceWhat to do if the protective earth continuity test fails 143Additional test for coffee machine Citiz & milk What coffee machines have to be tested and when? Protective insulation test145 Additional tests for coffee machine Citiz & milk 147 What to do if the insulation test fails10.1Model Citiz, core unit Drange EF Expl Osion DRA Wings149 Model Citiz, core unit Crange EFModel Citiz & milk, core unit Drange EF 151 Model Citiz & milk, core unit Crange EFModel Citiz & Co, core unit Drange EF 153 Model Citiz & Co, core unit Crange EFPA RTS L IST Pos.ComponentRemark Pos Component 155Connection cable UL 157 T E S