Nespresso Essenza C99 Service Manual Download Page 1

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Version 1.0

Service Manual Coffee Machine

Essenza
EF 347 / C99

Essenza
EF 348 / D99

Summary of Contents for Essenza C99

Page 1: ...en en Version 1 0 Service Manual Coffee Machine Essenza EF 347 C99 Essenza EF 348 D99...

Page 2: ...ral disassembly__________________________________ 21 Replacing NTC ______________________________________ 22 Replacing thermoblock ________________________________ 23 Replacing pump___________________...

Page 3: ...bsolutely necessary to follow the instructions in this manual Nespresso technical website Visit the Nespresso technical website periodi cally to check for upgrades technical modifi cations counter mea...

Page 4: ...in the repair centre is highly recommended This device does not protect against electrical shock due to contact with both circuit conductors Use a GFCI with a trip level of 4 6 mA USA resp a RCD with...

Page 5: ...g unit TCBU 4 Capsule inlet 5 Side panel 6 Espresso button back lighted 7 Coffee outlet 8 Lungo button back lighted 9 Container for used capsules 10 Drip grid 11 Drip tray 12 Lower chassis 13 Thermobl...

Page 6: ...facturing country 4 Conformity with RoHS guidelines 5 Bar code 6 Serial number 7 Machine type 8 Special disposal icon 9 Sign of conformity CE 10 Article number of the rating plate Serial number codifi...

Page 7: ...7 Main Components Service Manual EF 347 EF 348 en Version 1 0 Rating Plates Essenza machine partners...

Page 8: ...Components Service Manual EF 347 EF 348 en Version 1 0 Water circuit 1 Water tank 2 Water tank valve and connector 3 Pump 4 Thermoblock 5 Flowmeter 6 Coffee outlet 7 Compact brewing unit TCBU 7 6 4 3...

Page 9: ...Capacities Water tank 0 9 l Drip tray approx 100 ml Capsule container 10 14 pcs Power consumption 220 V 240 V 1 260 W Energy consumption CECED FEA 2009 method Energy efficiency class level A 40 Daily...

Page 10: ...operating the appliance During heat up you can press either coffee button while blinking The coffee will then flow automatically when the machine is ready 3 Lift the lever completely and insert a Nesp...

Page 11: ...on and wait for it to be in ready mode steady lights 2 Fill the water tank with potable water and insert a Nespresso capsule 3 Place a cup under the coffee outlet 4 Press and hold the Espresso or Lun...

Page 12: ...To enter the emptying mode press both the Espresso and Lungo button to turn the machine off 2 Remove the water tank and open the lever 3 Press both the Espresso and Lungo button for 3 seconds a Both L...

Page 13: ...omatic Power Off mode press both the Espresso and Lungo button simultaneously To change this setting 3 With machine being turned off press and hold the Espresso button for 3 seconds 4 The Espresso but...

Page 14: ...ress and hold down the Lungo button for 5 seconds 2 LEDS will blink fast 3 times to confirm machine has been reset to factory settings 3 LEDs will then continue to blink normally as heating up until r...

Page 15: ...re within 2 minutes Operating modes and detected failures are indicated by backlighted coffee buttons as listed in the following table Operating mode Small cup Led signal Big cup LED signal Off off of...

Page 16: ...factory setting 2 x for 30 min 3 x for deactivated off Emptying Blinking fast off off Blinking fast Descaling ready D pump on descal D pump off descal Blinking fast Blinking fast Overheat Blinking sl...

Page 17: ...isible damage 1 1 Parts of housing broken or damaged YES Replace parts if necessary NO Go to point 1 2 1 2 Mains cable damaged YES Replace mains cable NO Plug machine to the mains and go to point 2 1...

Page 18: ...onal YES Replace elect mainboard and the NTC see page 25 NO Replace defective s wire s NO Go to point 4 2 4 2 Backlighted coffee button blinks at irregular intervals YES Check if thermoblock heating e...

Page 19: ...int 6 2 6 2 Leakage at tubes connection YES Replace defective tube and seal NO Go to point 6 3 6 3 Flow rate out of range YES Machine is scaled YES Descale machine see page 40 NO Replace pump 7 Descal...

Page 20: ...trical shock Mains voltage inside the coffee machine Disconnect the mains plug before disassembly the coffee machine must be free of voltage Danger of burns Hot parts and water under pressure inside t...

Page 21: ...33 and drip tray 8 together with drip grid 7 and capsule container 6 2 Remove 2 screws 2 on the front side of the machine 3 Place machine on the repairing service holder device see page 42 4 Remove 6...

Page 22: ...nnector from electronic control board A 3 Unscrew 3 screws 23 from thermobloc cover 4 Unscrew the screw fixing the cover to the thermobloc and remove the cover 5 Remove defective NTC temperature senso...

Page 23: ...upper chassis 1 3 Unplug NTC connector from electronic control board 28 4 Remove clips D and 2 hose connectors B C from thermoblock 5 Remove ground wire and electrical connections from thermoblock 6...

Page 24: ...ver no 7 Procedure 1 Follow general disassembly see page 21 2 Remove clip 14 and O ring 15 3 Remove pump 17 4 Remove electrical connections from pump 5 Replace defective pump 17 6 Plug in electrical c...

Page 25: ...disassembly see page 21 2 Remove 2 screws 55 and remove housing A from electronic control board 3 Unplug NTC and flowmeter and all wires from electronic control board 28 4 Remove the 2 screws 23 from...

Page 26: ...panels 5 4 Remove 2 screws 36 and pull off closing handle 37 5 Remove 2 screws 23 at the front and 1 screw 44 at the back to detach cover 35 C99 machine All screws have the same lenght D99 machine Th...

Page 27: ...27 Repair Service Manual EF 347 EF 348 en Version 1 0 Wiring diagram 220V 240V IEC...

Page 28: ...28 Repair Service Manual EF 347 EF 348 en Version 1 0 Wiring diagram 120V 127V IEC...

Page 29: ...machine Do not touch any hot parts while checking for leakages Always wear protective goggles Required equipment Pos Component 1 Pressure gauge EFR no 16195 2 Essenza pressure gauge adapter for part n...

Page 30: ...rocedure 1 Fill and insert water tank 2 Open closing handle 3 Insert connecting unit of pressure adapter into capsule bay 4 Push back sealing cone into capsule cage 5 Insert fixation unit of pressure...

Page 31: ...bar are indi cated The manometer must be observed continuously and the pressure regu lated using the valve if necessary With increasing temperature the pressure also increases if neces sary readjust...

Page 32: ...dle 3 Insert connecting and fixation unit of pres sure adapter into capsule bay refer to page 30 4 Press down operating lever 5 Position pot underneath exit tube of pres sure plug 6 Fill and insert wa...

Page 33: ...e The pressure will rise rapidly initially and stabilise between 16 19 bar check of pump pressure The pressure will rise slowly due to the temperature increase If the pressure exceeds 23 bar the machi...

Page 34: ...et 3 After warming up press coffee button 4 Preheat coffee outlet for 10 sec with hot water 5 Empty measuring beaker 6 Insert a capsule Cosi is the most suit able 7 Press coffee button 8 Wait until 20...

Page 35: ...rmoblock all conductive touchable parts of the coffee machine where dangerous voltage could occur if the basic insulation was to fail This test assures that the ground earth connection does not have a...

Page 36: ...equip ment 3 Touch thermoblock tube with tip of red test probe 4 Press measure button and read off displayed resistance The resistance must be lower than 0 3 Ohm 5 Fill in measured value in a test re...

Page 37: ...t phase and neutral wire are shunted at the power plug Then a test voltage is applied between phase neutral and selected parts of the coffee machine Test equipment Special test equipment is needed tha...

Page 38: ...by the repair centre A Swiss power plug is shown here as an example 2 Connect the black measuring cable to the test adapter see image Use a short circuit plug or special alligator clips etc as substit...

Page 39: ...esistance must be higher than 300 kOhm 300 000 Ohm 7 Fill in measured value in a test report 8 Switch off test equipment 9 Short red with black test probe to make sure that test voltage is discharged...

Page 40: ...ing solution This machine is equipped with a descaling alarm both LEDs blink during ready mode Descaling duration approx 15 minutes Carefully read safety instructions on decalcifier package 1 Remove t...

Page 41: ...for 3 seconds 6 Both LEDs blink 7 Press the Lungo button and wait until the water tank is empty 8 Refill the water tank with the used descaling solution collected in the container and repeat step 4 an...

Page 42: ...presso Please ask your Nespresso technical contact person Manometer and pressure adapter are avail able at Eugster Frismag AG Pos EFR No Component 1 Repairing service holder device for C99 or D99 2 42...

Page 43: ...43 Spare Parts Service Manual EF 347 EF 348 en Version 1 0 Spare parts EF 347 C99...

Page 44: ...0037384 Clip D 5mm browned inox 014 0005470 Clip D 4mm L 14mm Inox 015 0061701 O Ring 03 40x1 90 EPDM V3 70 Shore black 016 0060761 Fluid connect elbow 90 black 16 0x16 0mm crosspiece 017 0069200 Pump...

Page 45: ...bl galvan 043 0064816 Temperature gauge 710 cpl NTC 104M5 S160A2 044 0071635 Screw KST PT 3 0x12 bl galvan rd head Torx 10 046 0043073 Molded tube 473 silic neutral flow meter pump 047 0067795 Flow m...

Page 46: ...46 Spare Parts Service Manual EF 347 EF 348 en Version 1 0 Spare parts EF 348 D99...

Page 47: ...ix holes 0 0mm 013 0037384 Clip D 5mm browned inox 014 0005470 Clip D 4mm L 14mm Inox 015 0061701 O Ring 03 40x1 90 EPDM V3 70 Shore black 016 0060761 Fluid connect elbow 90 black 16 0x16 0mm crosspie...

Page 48: ...8904 Screw KST PT 3 0x16 bl galvan rd head Torx 10 CA point 046 0043073 Molded tube 473 silic neutral flow meter pump 047 0067795 Flow meter FHKSC 12 0 932 9521 A double insulated 050 0077832 Cover 47...

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Nespresso Essenza C99, Service Manual

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