Nespresso EF 473, EF 474 manual Measuring coffee temperature

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Repair

Measuring coffee temperature

Procedure:

1.Switch on machine.

2.Position measuring beaker underneath coffee outlet.

3.After warming up, press button "large cup" and preheat coffee outlet with hot water.

4.Insert a capsule (Cosi is the most suitable).

5.Press a button "large cup".

6.Wait until 20 ml coffee has flown in the measuring beaker.

7.Measure the coffee temperature approx. 5 - 10 mm below the outlet opening.

)Coffee temperature should be approx. 86 °C ± 3 °C (187 °F ± 5.4 °F).

Service Manual EF 473 / EF 474

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Version 1.0 en

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Contents Essenza FS Contents Preface Overview Main ComponentsSerial number codification Overview of rating platesWater circuit Technical data Preparation OperationDo not insert a capsule yet Fill water system Procedure to fill water systemMaking coffee Programming Reset to factory settings Empty water system Coffee machine status Operating modes Left Coffee buttons LED signals RightOperating status of coffee buttons Checking the machine on receipt TroubleshootingFurther details in order to take decision Repair General disassemblyTool Tools Replacing thermoblock and NTCProcedure for flow meter Replacing flow meter and On/Off switchProcedure for On/Off switch 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 Sec RinsingMeasuring flow rate Preparation unplug machine from mains Checking for leaks and pump pressureSwitch off machine Open valve to empty pressure gauge Coffee temperature should be approx C ± 3 C 187 F ± 5.4 F Measuring coffee temperatureProcedure machine is switched off Daily care and final cleaningSpare Parts Repair accessoriesSpare 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