Nespresso EF 474, EF 473 manual Version 1.0 en

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Notes

Service Manual EF 473 / EF 474

38

Version 1.0 en

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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
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