Repair - Partmaster
Contents
1. Thermoblock J ro J1 J2 l l Mains Plug Version 1 1 en Repair Electronic control board wiring diagram Japan 100 V 50 60 Hz 1 Heat sink 2 Print for On Off button 3 Print for coffee button with LED 4 NTC temperature sensor 5 Fine wire fuse on thermoblock 6 Fine wire fuse on pump Service Manual EF 470 EF 471 Electronic Main Board HAI HAIR IAT ml IT ttl TE ttl Im A PTT e ON OFF Print Coffee Button Print Thermoblock T 167 C id S Mains Plug Version 1 1 en Repair Descaling 1 Only use Nespresso decalcifier never vinegar Decalcifier is aggressive to surfaces Preparation 1 Switch off machine 2 Eject capsule Insert filter from descaling Kit in capsule inlet and close handle 3 Empty driptray and capsule container and remove drip grid 4 Re insert drip tray and place a pot on it Carefully read safety instructions on decalcifier package 5 Fill water tank with 0 1 descaling fluid and 0 5 water Re insert water tank 6 Press On Off button and coffee button simultaneously for at least 3 seconds to switch on machine and start descaling mode fast blinking coffee button Descaling 7 Press coffee button to start pump 8 Let entire descaling solution pass through coffee outlet2. Service Manual EF 470 EF 471 Version 1 1 en Repair Descaling 2 9 10 Fill water tank again with descaling solution from pot Repeat descaling procedure one more time Press coffee button and let entire descaling solution run through Rinsing 11 12 13 14 15 16 17 18 Empty pot Remove filter from capsule inlet Rinse water tank thoroughly and fill it with fresh water Place pot on drip tray Press coffee button to start pump Let complete content of water tank run through coffee outlet Switch off machine Descaling is completed Insert drip grid Clean machine Service Manual EF 470 EF 471 Version 1 1 en Repair Measuring flow rate Procedure 1 Fill water tank 2 Insert pressure plug in capsule inlet 3 Press down closing handle lightly till pressure plug fits in capsule cage 4 Pull off holding device The pressure plug clamps itself to the capsule cage 5 Position measuring beaker underneath exit tube of pressure plug 6 Switch on machine Press coffee button after heating up 7 Open valve fully till water begins to flow 8 Close valve until 12 bar are indicated ES The manometer must be observed Notice continuously and the pressure regulated using the valve if necessary With increasing temperature the pressure also increases if necessary readjust the pressure to 12 bar With a flow of lt 60 ml
3. 33 and drip tray 8 together with drip grid 7 and capsule container 6 Remove 2 screws 2 on the front side of the machine Place machine on the repairing service holder device see page 31 Remove 6 screws 2 on the bottom of the machine Swing out and remove both side panels 5 Remove lower chassis 22 Service Manual EF 470 EF 471 15 Version 1 1 en Repair Replacing thermoblock Tools Torx screwdrivers T10 T30 Open ended spanner 10 mm AF Torque wrench Procedure 1 Follow general disassembly see page 15 2 Remove 3 screws 2 and separate thermo block 40 with support 40 from chassis 3 Remove screw M6 x 25 and separate thermoblock from its support 4 Remove screw 38 and separate fine wire fuse 900 from thermoblock 5 Remove electronic housing 28 6 Unplug NTC connector from electronic control board 28 7 Remove NTC 43 from thermoblock 8 Remove clips 13 and hose connectors 16 26 from thermoblock 9 Remove ground wire and electrical connections from thermoblock 10 Replace thermoblock and nut M6 11 Assemble in reverse sequence Use a torque wrench 90 110 Ncm to tighten NTC temperature sensor 43 with spring washer iS Check that there is a clearance of 1 2 mm between thermoblock and support after assemblage Service
4. 3 2 3 Is the capsule cage seal damaged YES Replace CBU feel with a finger if the seal is damaged NO Go to point 3 YES Replace water tank 3 Fill water tank 3 1 Water tank is leaking NO Go to point 4 a gt YES a Check if mains cable is functional oo oun NO Replace it YES b Check if On Off button is functional TESE GATO PONLE NO Replace it YES c Check if pump is working press coffee YES Go to point f button NO Go to point d 2 1 Closing handle works correctly l l l l NO Itis hard or impossible to close the closing handle 2 Check mechanical elements TOSS OMON DURON Operom ladina enol working no function YES Go to point e YES d Check if coffee button is functional automatic self test NO Replace it YES e Check if pump s fine wire fuse 128 C is YES Replace it defective NO Replace pump YES f Check if thermoblock s fine wire fuse 167 C is defective YES Replace it together with electronic control board and if necessary the thermoblock NO Go to point g Service Manual EF 470 EF 471 Version 1 1 en Troubleshooting N Check procedure Symptoms Action repair work Further action repair work oo l l l i YES Replace electronic mainboard 4 1 n i working no function YES g Check if electrical wires are functional NO Replace defective s wire s continue 4 Press On Off button to perform NO Go to point 4 2 rr __1 1111 aut
5. 8 Data matrix Typ KOENIG Capri 03161 Turmix TX100 e Serial number 220 240V 1260W 50Hz TURMIX AG 8645 Jona Switzerland e Barcode Krups MADE IN SWITZERLAND 220 240V 1260W 50Hz KOENIG APPARATE AG Z RICH 17105 MADE IN SWITZERLAND 17105 Serial number codification ax CE BE A C Example 0529 0074 7002 6100 018 0529 0044 7105 1100 014 0529 0084 7005 3100 019 0040133 0040624 05290 production date 290 day of year 2005 07 machine partner codification 470 machine type DeLonghi MADE IN EUROPE KRUPS TYPE XN 2006 220 240V 1260W 50 60Hz 02 voltage mains plug version Type EN 90 R C I 6 color version 220 240V 50 60Hz 1260W X ER 1 production site H DA Bun 0001 incremental number per production day MT 9 checksum number 0529 0014 7105 1100 011 year Ser Nr 54213 S300075 0529 0054 7005 6100 019 Service Manual EF 470 EF 471 5 Version 1 1 en Main Components Water circuit 1 Water tank 2 Water tank valve and connector 3 Pump 4 Thermoblock 5 Compact brewing unit CBU 6 Coffee outlet Service Manual EF 470 EF 471 6 Version 1 1 en Main Components Technical data Service Manual EF 470 EF 471 Mains EUR 230V 50 Hz USA CAN 120 V 60 Hz JAP 100 V 50 60 Hz Approvals SEV CENELEC CE conform UL CUL MITI Cable length 1 5m Pump data Pump pressure max permissible 17 5 bar 1 5 bar during coffee preparat
6. Manual EF 470 EF 471 16 Version 1 1 en Repair Replacing NTC Tools Torx screwdriver T10 Open ended spanner 10 mm AF Torque wrench Procedure 1 Follow general disassembly see page 15 2 Remove electronic housing 28 3 Unplug NTC connector from electronic control board 28 4 Remove defective NTC temperature sensor 43 from thermoblock 40 and replace it with new one 5 Assemble in reverse sequence Re use spring washer and tighten new NTC temperature sensor 43 with torque wrench 90 110 Ncm Service Manual EF 470 EF 471 17 Version 1 1 en Repair Replacing pump Tools Torx screwdriver T10 Long nose pliers Blade screwdriver no 7 Procedure 1 Follow general disassembly see page 15 2 Remove clip 14 hose 18 and o ring 15 3 Remove angled hose 9 4 Release pump 17 first from rubber strap 12 atthe side of the angled hose 5 Remove electrical connections from pump 6 Release pump from second rubber strap 12 7 Replace defective pump 17 8 Attach new pump 17 to one rubber strap with corner connector 20 first 9 Plug in electrical connections on pump ES Check for correct wiring of pump 10 Attach pump to second rubber strap 11 Insert new seal 15 mount hose 18 and clamp 14 12 Mount angled hose 9 Service Manual EF 470 EF 471 1 8
7. Version 1 1 en Repair Replacing electronic control board with button prints Tools Torx screwdriver T10 The service engineer must be earthed using an earthing strap Only touch button prints with dedicated gloves to avoid oxydation Procedure 1 Follow general disassembly see page 15 2 Detach prints of On Off button 30 and coffee button 29 from upper chassis 1 3 Remove housing 28 from electronic control board 28 4 Unplug NTC connector and all wires from electronic control board 28 5 Remove 2 screws 23 and replace defect electronic control board with button prints 29 30 6 Assemble in reverse sequence Check for correct wiring of electronic control board see pages 21 22 or 23 Service Manual EF 470 EF 471 19 Version 1 1 en Repair Replacing compact brewing unit CBU Tools Torx screwdrivers T10 T20 Blade screwdriver no 4 Oval screwdriver Long nose pliers Torque wrench Procedure 1 Remove water tank 33 and drip tray 8 together with drip grid 7 and capsule container 6 2 Place machine on the repairing service holder device see page 31 3 Remove 4 screws 2 on the bottom of the machine 4 Swing out and remove both side panels 5 5 Remove 2 screws 36 and pull off closing handle 37 6 Rem
8. coffee button and rinse coffe outlet for 10 s 9 Clean coffee machine Service Manual EF 470 EF 471 Version 1 1 en Spare Parts Repair accessories Pos EFRm _ Component Pressure gauge Repairing service holder device A for EF 470 2 Repairing service holder device B for EF 471 3 0004872 Special screwdriver with oval bit 0004878 Oval bit for screwdriver Only available through Nespresso Please contact the Nespresso club 0004878 0004872 i Service Manual EF 470 EF 471 3 1 Version 1 1 en EFF Spare Parts Spare parts EF 470 os Eisen Component 39166 Upper chassis EF 470 i 24863 Safety screw 3 0 x 12 KST PT 40686 Coffee outlet amp front ring EF 470 package 3 39378 Side panel EF 470 titanium 5 5 39148 Side panel EF 470 ivory 5 42614 Side panel EF 470 orange 39170 Capsule container EF 470 Drip grid EF 470 40477 Drip tray EF 470 printed Turmix e 40478 Dip tay EF 470 printed Krups OOOO 8 40779 Drip tray EF 470 printed Nespresso 9 39797 Hose watertank pump OOOO Pope ____ __ _ 39196 Pump fixation 37384 Clip D 5mm 5470 Clip to tube 770 O ring 3 4 x 1 9 silicon 37454 Angle connection for hoses 41029 Pump 230V 42530 Pump 120V 41030 Pump 100V 39199 Hose pump thermoblock 19 O ring 5 28 x 1 78 EPDM 2 39164 Lower chassis EF 470 23 Screw 3 0 x 12 Torx 10 1053 Strain relief screwed 25 39369 Power c
9. en Service Manual Coffee Machine EF 470 EF 471 Essenza Contents N Preface 3 Electronic control board wiring diagram Japan 100 V 50 60 Hz 23 Main Components A Descaling 1 24 Overview 4 Descaling 2 25 Overview of rating plates 5 Measuring flow rate 26 Water circuit 6 Checking for leaks and pump Technical data 7 pressure 1 ZX l Checking for leaks and pump Operation 8 pressure 2 28 Preparation 8 Measuring coffee temperature 29 Fill water system 9 Daily care and final cleaning 30 Making coffee 10 Empty water system 11 Spare Parts __ _ 3 Coffee machine status 12 Reparaccessories__ 31 Spare parts EF 470 32 Troubleshooting 13 Spare parts EF 471 34 Checking the machine on receipt 13 Notes 36 Repair 15 General disassembly 15 Replacing thermoblock 16 Replacing NTC 17 Replacing pump 18 Replacing electronic control board with button prints 19 Replacing compact brewing unit CBU _ 20 Electronic control board wiring diagram Europe 230V 50 Hz 21 Electronic control board wiring diagram USA UL 120 V 60 Hz 22 Service Manual EF 470 EF 471 2 Version 1 1 en Preface The purpose of this Service Manual is to provide the service personnel with all necessary information with regards to correct handling maintenance and repair ofthe coffee machines EF 470 and EF 471 This manual should be used by the technicians as a valuable aid to guarantee the permanent readiness for use of the machi
10. ffee button Press and hold closing handle to rear end position Observe capsule inlet for appearing water Press down closing handle immediately when first droplets are visible Press coffee button again to stop water flow Service Manual EF 470 EF 471 Version 1 1 en Operation Making coffee Open closing handle Insert capsule Press down closing handle completely Position cup under coffee outlet Press coffee button Press button again to stop coffee flow when cup is full 7 Briefly open closing handle after coffee preparation and eject capsule into capsule container DO PD Service Manual EF 470 EF 471 Version 1 1 en Operation Empty water system After operation residual water remains in the water circuit This residual water can be removed before a longer period of non use for frost protection before repair and following shipping LE Empty water tank 2 Press and hold On Off button 3 Simultaneously press coffee button three times Release On Off button The coffee button starts blinking fast and the pump begins to empty the water system Open closing handle and hold it in opened position After coffee button stops blinking press down closing handle completely Empty drip tray After this procedure the machine is blocked for approx 10 minutes till thermoblock te
11. imix e 40482 Drip tray EF 471 printed Koenig e 40483 Drip ay EF 471 printed Delonghi 16 37454 Angle connection for hoses 17 Pump 230V 17 Pump 120V 17 Pump 100V 18 Hose pump thermoblock 19 O ring 5 28 x 1 78 EPDM Service Manual EF 470 EF 471 34 Version 1 1 en Spare Parts Spare parts EF 471 continued Component 39368 Power cord GB 1 3m 42135 Power cord UL 1 3m 39271 Power cord Japan 1 3m 38412 Angle connection for hoses 39188 Electronic base 40688 Electronic set 230V 40689 Electronic set 120V 40690 Electronic set 100V 39154 Coffee button EF 471 39155 ON OFF button EF 471 26392 Silicon hose 39198 Hose thermoblock CBU 39143 Water tank EF 471 Service Manual EF 470 EF 471 40685 Compact brewing unit CBU 39169 Cover EF 471 39256 Screw M4 x 25 Torx 20 Closing handle EF 471 Thermoblock complete 230V Thermoblock complete 120V Thermobiock complete OY Strand wire white tom ooo 6328 Strand wire white 100mm 900 39263 Strand wire black 100mm 900 39264 Thermal cutoff 167 C 40606 Bushing insulator electrical 900 39630 Strand wire yellow green 220mm 35 Version 1 1 en Notes Service Manual EF 470 EF 471 3 6 Version 1 1 en
12. ion 9 13 bar depending on brand of coffee Flow performance 120 240 ml min at 12 bar Capacities Water tank 0 91 Drip tray approx 100 ml Capsule container 10 14 pcs Power consumption N at all voltages and frequencies Thermoblock 1200 W Pump 60 W Ratings Preheating 8 5 Wh 1 small cup 55 ml 6 5 Wh 1 large cup 110 ml 10 Wh Stand by mode 9 5Wh machine on in 1 hour Stand by mode 0 45Wh machine off in 1 hour Various data Pre heating time approx 50 S Safety temperature thermal cut off 167 C Coffee temperature at outlet Weight of machine 86 Ct3 C approx 3 kg without water Version 1 1 en Operation Preparation 1 Fill tank with water 2 Insert water tank in coffee machine 3 Switch on machine by pressing the On Off button 4 Position receptacle with a capacity of min 100 ml under coffee outlet ES Do not insert a capsule yet 5 Wait until machine is ready coffee button is lighted 6 Press coffee button to rinse coffee outlet 7 Press coffee button again when receptacle is filled Service Manual EF 470 EF 471 8 Version 1 1 en Operation Fill water system If the coffee machine cannot pump water although there is water in the tank the water circuit may be empty Procedure to fill water system 1 OO Perform steps 1 to 5 for preparation see page 8 Open closing handle in vertical position Press co
13. mperature lt 100 C Service Manual EF 470 EF 471 NT el Version 1 1 en Operation After pressing the On Off button an automatic 1 de CE self test is performed to check if the NTC is connected the NTC is short circuited Heat up coffee the thermoblock reaches the standby temperature within 2 minutes in brewing A detected failure is indicated by the vu e backlighted coffee button as well as the a operating modes listed in the following table di a Brew coffee rinse i Heat up descaling l Descaling ready n Pump on while descaling gt Emptying water system l Failure a blinking three times fast Service Manual EF 470 EF 471 1 2 Version 1 1 en Troubleshooting N Checking the machine on receipt The receipt check enables you to rapidly Follow the check procedure locate faults on the machine and to initiate Repair any faults found and check if the appropriate repair action machine is operating perfectly Check procedure Symptoms Action repair work Further action repair work l _ 1 1 Parts of housing broken or damaged ie Repiaca Pau IEneeSsal 1 Check appliance for visible NO Go to point 1 2 damage YES Replace mains cable he Maine Gable Camaged NO Plug machine to the mains and go to point 2 1 YES Screw on closing handle screws at defined torque and block them with Loctite 241 see page 20 or replace CBU NO Replace the CBU i YES Go to point 2
14. ne In order to take full advantage of all the functions it is absolutely necessary to follow the instructions in this manual Please keep this manual together with the corresponding service documentation This way you are assured to have the necessary information For fast access to information directly from the PC or MAC monitor this manual is also available on CD ROM The required utility Adobe Acrobat also on this CD ROM runs on PC and MAC computers Service Manual EF 470 EF 471 3 Version 1 1 en Main Components Overview 1 Closing handle 2 Cover 3 Compact brewing unit CBU 4 Capsule inlet 5 Side panel 6 On Off button 7 Coffee outlet 8 Coffee button back lighted 9 Container for used capsules 10 Drip grid 11 Drip tray 12 Lower chassis 13 Thermoblock TB 2003 14 Electronic control board 15 Pump CP4 SP C2 16 Water tank connector 17 Upper chassis 18 Water tank Service Manual EF 470 EF 471 Version 1 1 en Main Components Overview of rating plates Inetaung plate NESPRESSO Type C90 MAGIMIX M100 can be found at the underside of the coffee HOUSEHOLD COFFEE MAKER as machine may be of varying design depending on TAON N c UL us nici I SOM the brand 60Hz A C only iii PEE Fabriqu en Suisse carries the following information EE x 0529 0064 7105 5100 011 MADE IN SWITZERLAND e Voltage and power rating e Approval seal s 0042699 004272
15. omatic self test continued l l l YES Check if thermoblock heating element is func YES Replace NTC 4 2 Backlighted coffee button blinks at irregular tional NO Replace thermoblock intervals Lug YES Fill water circuit see page 9 YES a Water circuit is empty NO Go to point b i i YES Replace CBU 5 1 No coffee outlet YES b Pyramid plate is clogged NO Go to point c 5 Check coffee temperature while YES c Machine is blocked by scale YES Descale machine see page 24 l A YES Descale the machine see page 24 5 2 Temperature is too low less than 83 C NO Go to point 5 3 A YES Change NTC l YES Replace CBU 6 2 Leakage at tubes connection YES Replace defective tube and seal 6 Check for leaks and check flow NO Go to point 6 3 YES Machine is scaled YES Descale machine see page 24 NO Replace pump 6 3 Flow rate out of range YES Machineisscaed me re _ NO No trouble found during the check procedure a a Sea further details in order to take decision 7 Descaling process if needed 7 1 Machine scaled a see page 24 8 Final cleaning see page 30 rate see pages 26 27 and 28 End of check procedure Service Manual EF 470 EF 471 1 A Version 1 1 en Repair General disassembly Tool Oval screwdriver Empty water system if necessary see page 11 Unplug from the mains before disassembling machine appliance must be isolated Procedure 1 Remove water tank
16. ord Cebec 1 3m 39266 Power cord SEV 1 3m 25 40535 Power cord Israel 1 3m 39368 Power cord GB 1 3m Service Manual EF 470 EF 471 32 Version 1 1 en Spare Parts Spare parts EF 470 continued Pos EFRnr Component Power cord UL1 3m 39271 Power cord Japan1 3m 26 Angle connection for hoses 39188 Electronic base 28 Electronic set 230V 40689 Electronic set 120V 28 Electronic set 100V Coffee button EF 470 30 ON OFF button EF 470 Silicon hose 32 Hose thermoblock CBU Water tank EF 470 34 Compact brewing unit CBU Cover EF 470 6 z Thermal cutoff clip 40 Thermoblock complete 230V Thermoblock complete 120V 41435 Thermoblock complete 100V 40180 Bushing insulator electrical 5245 Spring washer M5 43 40190 Temperature sensor 737 900 6328 Strand wire white 00m 900 30263 900 29264 Thermal culo TOC 900 40608 Bushing insulator sere 900 39630 Strand wire yelowigreen 220mm 14 Service Manual EF 470 EF 471 3 3 Version 1 1 en Spare Parts Spare parts EF 471 Pos EFRnr Component Upper chassis EF 471 Safety screw 3 0 x 12 KST PT Coffee outlet amp front ring EF 471 package Side panel EF 471 silver Side panel EF 471 coral red Side panel EF 471 green 39171 Capsule container EF 471 7 Drip grid EF 471 40480 Drip tray EF 471 printed Nespresso 40481 Drip tray EF 471 printed Mag
17. ove 2 screws 23 at the front and 1 screw 23 at the back to detach cover 35 7 Unlatch coffee outlet 3 from compact brewing unit 34 with a blade screwdriver 8 Remove 4 screws 23 and detach compact brewing unit 34 9 Remove clip 14 and hose 32 with o ring 10 Assemble new compact brewing unit Tighten new EFR nr 39256 closing 15 from compact brewing unit 34 together with new coffee outlet 3 in handle screws 36 with a torque of reverse sequence 450 N cm Replace o ring 15 Service Manual EF 470 EF 471 2 0 Version 1 1 en Repair Electronic control board wiring diagram Europe 230V 50 Hz Electronic Main Board ON OFF Print Coffee Button Print 1 Heat sink 2 Print for On Off button 3 Print for coffee button with LED 4 NTC temperature sensor 5 Fine wire fuse on thermoblock 6 Fine wire fuse on pump Thermoblock Mains Plug Service Manual EF 470 EF 471 2 1 Version 1 1 en Repair Electronic control board wiring diagram USA UL 120 V 60 Hz 1 Heat sink 2 Print for On Off button 3 Print for coffee button with LED 4 NTC temperature sensor 5 Fine wire fuse on thermoblock Service Manual EF 470 EF 471 Electronic Main Board ON OFF Print Coffee Button Print
18. the pump is defective or there is a leak in the system Large fluctuations in the pressure gauge readings 4 bar during measurement are indicative of a defective pump 9 Perform measurement for approx 30 sec 10 There must be at least 60 120 ml water in the measuring beaker Service Manual EF 470 EF 471 2 6 Version 1 1 en Repair Checking for leaks and pump pressure 1 The following components are checked for leaks Compact brewing unit Connections Thermoblock Pump Preparation unplug machine from mains 1 2 di Remove right side panel pump is visible Insert pressure plug in capsule inlet Press down closing handle lightly till pressure plug fits in capsule cage Pull off holding device The pressure plug clamps itself to the capsule cage Position pot underneath exit tube of pressure plug Fill water tank Connect mains cable Dangerous voltage inside coffee machine Do not touch any live part while performing checks Hot pressurized parts inside coffee machine Do not touch any hot part while performing checks Wear safety glasses during inspection Continued on next page Service Manual EF 470 EF 471 Version 1 1 en Repair Checking for leaks and pump pressure 2 Procedure continued 8 Switch on machine Press coffee button after heating up 9 Open valve and leave water to run out for approx 10 s 10 Fully close valve The press
19. ure 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 machine has to be switched off and pressure released through the pressure valve 11 Perform visual and acoustic checks on all pressurized connections The pump must not be in operation for longer than 50 s without water flow 12 Switch off machine 13 Open valve to empty pressure gauge Service Manual EF 470 EF 471 Version 1 1 en Repair Measuring coffee temperature Procedure 1 2 di Ql Press On Off button to switch on machine Position measuring beaker underneath coffee outlet After warming up press coffee button and preheat coffee outlet for 10 s with hot water Insert a capsule Cosi is the most suitable Press coffee button Wait until 20 ml coffee has flown in the measuring beaker 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 470 EF 471 Version 1 1 en Repair Daily care and final cleaning Procedure 1 Eject capsule 2 Empty capsule container 3 Empty water tank and drip tray 4 Clean water tank and drip tray 5 Fill tank with fresh water 6 Reassemble coffe machine 7 Press On Off button 8 Press
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