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Related Manuals for Nespresso EF 737
Summary of Contents for Nespresso EF 737
- Page 1 Service Manual Coffee Machine EF 737 EF 741 01.2004 DOG...
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Page 2: Table Of Contents
Contents Main Components ............5 Troubleshooting ............17 Overview, right side ..............5 Checking the machine - receipt (1) ..........17 Overview, left side ................. 6 Checking the machine - receipt (2) ..........18 Overview, jaw ................7 No function .................. 19 Overview of rating plates .............. - Page 3 Contents Repair ................24 Maintenance..............40 General disassembly (stage 1) ........... 24 Descaling (1) ................40 General disassembly (stage 2) ........... 25 Descaling (2) ................41 Replacing thermoblock .............. 26 Measuring flow rate ..............42 Replacing NTC ................26 Checking for leaks and pump pressure (1) ........ 43 Replacing pump ................
- Page 4 The purpose of this Service Manual is to provide the service personnel with all necessary information with regards to correct handling, maintenance and repair of the coffee machine EF 737 and EF 741. This manual should be used by the technicians as a valuable aid to guarantee the permanent readiness for use of the machine.
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Page 5: Main Components
Main Components Overview, right side Drip tray Floater Drip grid IR-Sensor Steam/hot water nozzle Control buttons, back lighted Lower part jaw (support) Upper part jaw Closing handle 10 Hot water/steam lever 11 Water tank 12 Water tank connector 13 Thermoblock TB 2003 14 Pump CP4 SPC2 15 Flowmeter... -
Page 6: Overview, Left Side
Main Components Overview, left side Thermoblock TB 2003 Electronic mainboard Electromagnetic valve (DC) Control buttons, back lighted Control-Led Container for used capsules... -
Page 7: Overview, Jaw
Main Components Overview, jaw Ceramic valve and reed contact board Capsule cage connection Blades Capsule cage Ejector Pyramid plate (PPP, plastic) Pyramid plate support Support for brewing unit... -
Page 8: Overview Of Rating Plates
Main Components Overview of rating plates Depending on the brand, the rating plate may Turmix König 03174 = Item number be of varying design. with colour code The rating plates carry the following information: Date code DDMMY Date code DDMMY Magimix Jura M200A = Type code... -
Page 9: Water Circuit
Main Components Water circuit Water tank Water tank valve Flowmeter Pump Thermoblock Ceramic valve Coffee outlet Steam pipe and frothing aid Electromagnetic valve 10 Condensation room 11 Drip tray... -
Page 10: Technical Data
Main Components Technical data Mains EUR: 230 V / 50 Hz Pre-heating time approx. 30 s USA / CAN: 120 V / 60 Hz JAP: 110 V / 50-60 Hz Safety temperature (thermal cut-off) 216° C Cable length ~1,5 m Power consumption (at all voltages and frequencies): Approvals... -
Page 11: Operation
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 receptable under coffee outlet. Do not insert a capsule yet. 5 Wait until machine is ready (all control buttons are lighted). -
Page 12: Making Coffee
Operation Making coffee 1 Open jaw 2 Insert capsule 3 Close jaw 4 Position cup under coffee outlet. Press button "Large cup" or "Small cup" respectively. Press button again to stop coffee flow before programmed filling amount is reached. Briefly open jaw after coffee preparation and eject capsule into capsule container. -
Page 13: Preparing Hot Water
Operation Preparing hot water 1 Mount steam pipe if necessary. 2 Position cup under steam pipe. 3 Turn hot water/steam lever to the front, hot water flows into the cup. 4 Once the cup contains the required amount, turn hot water/steam lever to the back. -
Page 14: Programming The Coffee Cup Volume
Operation Programming the coffee cup volume 1 Insert capsule. 2 Press and hold on button "Small cup" or "Large cup" for at least 3 seconds until the desired amount of coffee is reached. 3 Briefly open jaw and eject capsule into 3 s min. -
Page 15: Button-Status: Switch On, Operation
Operation Button-status: Switch on, operation Warm up Coffee machine Small cup Large cup Steam Steam warm up Steam ready ready and cool down Malfunction indication Empty used capsule container Machine is not ready: Drip tray is missing or Temperature is too high or too low, not properly placed or capsule container is full. -
Page 16: Temperature Diagram
Operation Temperature diagram The temperature diagram shows the Temperature at thermoblock march of temperature during operation and the corresponding status of the buttons. Operating sequence A) Press On/Off button 140°C (284°F) B) Press according button for coffee Steam preparation or turn steam/hot water preparation lever to the front 103°C (217°F) -
Page 17: Troubleshooting
Troubleshooting Checking the machine - receipt (1) The receipt check enables you to rapidly • Check appliance for visible damage - Parts of housing broken or damaged? locate faults on the machine and to initiate - Mains cable damaged? appropriate repair action. - Has the customer opened the machine? Keep to the order given in the table. -
Page 18: Checking The Machine - Receipt (2)
Troubleshooting Checking the machine - receipt (2) • Steam preparation - Does On/Off button blink red during heating up and then lights continuously? - Does steam escape from steam pipe? • Descaling - See pages 40 and 41 • Flow rate - See page 42 •... -
Page 19: No Function
Troubleshooting No function Start Pump functionality Wiring functionality Machine connection to mains Connect to mains Replace pump Replace wire(s) Mains cable functionality Flowmeter functionality All checks performed but still no function Replace mains cable Replace flowmeter Perform missing check(s) Thermoblock functionality Buttons functionality Replace electronic mainboard Replace control panel... -
Page 20: Malfunctions
Troubleshooting Malfunctions Cause? Counter measure! Complaint: Coffee temperature too low • Jaw not preheated (or cup too cold)? - Preheat jaw, allow 2 large cups of water to flow through without capsule • Machine scaled (low or no outflow)? - Descale machine (see pages 40 and 41) •... -
Page 21: No Outflow
Troubleshooting Complaint: Cause? Counter measure! No outflow • Water tank empty? - Fill water tank • Water tank fitted incorrectly? - Insert correctly • Top of brewing unit is clogged? - Clean, descale or replace • Pyramid plate is clogged? - Replace (see page 38) •... -
Page 22: No Steam Function Or Too Little Steam
Troubleshooting Complaint: Cause? Counter measure! No steam function or too little steam • Steam and hot water tube scaled? - Descale machine (see pages 40 and 41) • Steam and hot water tube clogged? - Clean tube • Reed contact defect? - Check reed contact (see page 49) - Replace reed contact (see page 36) •... -
Page 23: Water On The Jaw
Troubleshooting Complaint: Cause? Counter measure! Water on the jaw - Close jaw correctly • Jaw poorly closed? Water runs out from the side of the jaw - Replace hose, seal or ceramic valve (see • Brewing unit leaks at the top? page 36) Jaw does not close - Screw capsule cage on fully... -
Page 24: Repair
Repair General disassembly (stage 1) Tools: Unplug from the mains before disassembling machine - Screwdriver for oval screws appliance must be isolated! General information: The screws are labelled with letters (A, B and C) in the figures. These refer to the tightening torques for the screws. -
Page 25: General Disassembly (Stage 2)
Repair General disassembly (stage 2) Tools Torx screwdriver T10, T15 Special screwdriver (oval) Procedure 1 Follow general disassembly stage 1. 2 Remove 3 screws (13) from the rear cover (9) on the underside. 3 Open jaw and remove 2 screws (111) from the top cover (81). -
Page 26: Replacing Thermoblock
Repair Replacing thermoblock Replacing NTC Tools / aids: Tools: Torx screwdriver T10, T15 Open-ended spanner 10mm AF Flat nose pliers Open-ended spanner 8/10mm AF Procedure: Pot to collect water Torque wrench 1 Follow general disassembly stage 1 and 2 Phillips screwdriver No. 2 (see page 24 and 25). -
Page 27: Replacing Pump
Repair Replacing pump Tools / aids: 10 Fix thermostat (68) to new pump (61) with clip (67). Torx screwdriver T10 11 Insert seal (51) and tighten corner Open-ended spanner 14mm AF connector (37). Long-nose pliers Pot to collect water 12 Turn corner connector to the correct position using open-ended spanner on Procedure: pump projection. -
Page 28: Replacing Fine-Wire Fuse
Repair Replacing fine-wire fuse Tools: Torx screwdriver T15 Long-nose pliers Torque wrench Procedure: 1 Follow general disassembly stage 1 and 2 (see pages 24 and 25). 2 Unplug cables of fine-wire fuse (998A) from electronic mainbord (59), thermoblock (66) and pump (61). 3 Loosen screw (46) of clip (43). -
Page 29: Replacing Electronic Mainboard
Repair Replacing electronic mainboard Tools: Torx screwdriver T10 Long-nose pliers The service engineer must be earthed using an earthing strap! Procedure: 1 Follow general disassembly stage 1 (see page 24). 2 Place earthing strap around the wrist and connect to the earthing cable on the un- plugged machine! In this way a potential difference is avoided. -
Page 30: Replacing Control Panel
Repair Replacing IR sensor Replacing control panel Tool: Tool: Torx screwdriver T10 Torx screwdriver T10 Procedure: Procedure: 1 Follow general disassembly stage 1 and 2 1 Follow general disassembly stage 1 (see page 24). (see pages 24 and 25). 2 Unplug cable connector of right control 2 Unplug cable connector of IR sensor (92) from electronic mainboard (59). -
Page 31: Replacing Flowmeter
Repair Replacing flowmeter Tools: Torx screwdriver T10 Long-nose pliers Pot to collect water to pump Procedure: 1 Follow general disassembly stage 1 and 2 (see pages 24 and 25). to water tank 2 Unplug connector from flowmeter (63). connector 3 Remove hoses (55 and 58) from flowmeter (63). -
Page 32: Replacing Electromagnetic Valve
Repair Replacing electromagnetic valve Tools: Torx screwdriver T10 Long-nose pliers Procedure: 1 Follow general disassembly stage 1 (see page 24). 2 Unplug connectors from electromagnetic valve (62). 3 Loosen 2 screws (12) on carrier (82). 4 Remove clamp (45) and hose (42). 5 Pull off lower hose (132). -
Page 33: Replacing Steam Pipe
Repair Replacing steam pipe Tools: Torx screwdriver T10 Torque wrench Procedure: 1 Follow general disassembly stage 1 (see page 24). 2 Disassemble steam/hot water nozzle according to drawing and remove it from steam pipe (76). 3 Loosen screw (12) on right control panel (30). -
Page 34: Replacing Jaw
Repair Replacing jaw - Procedure on disassembly of the jaw when fitted Tools: Torx screwdriver T10, T15 Cross-headed screwdriver Long-nose pliers Procedure: 1 Follow general disassembly stage 1 and 2 (see pages 24 and 25). 2 Remove 2 screws (83) and closing lever (84). -
Page 35: Complete Jaw Disassembly
Repair Complete jaw disassembly - Procedure for complete disassembly of the jaw Tools: Hammer (plastic head) Drift No. 4 Torx screwdriver T10 Torque wrench Procedure: 1 Follow general disassembly stage 1 and 2 (see pages 24 and 25). 2 Disassemble jaw as per page 34. 3 Remove capsule cage (137, see page 37). -
Page 36: Replacing Reed Contact
Repair Complete jaw disassembly - continued Replacing reed contact Replacing ceramic valve Perform points 1 to 8 (see page 35). Perform points 1 to 8 (see page 35). 9 Remove 4 screws (87). 9 Remove 4 screws (96) and receiver capsule holder (109). -
Page 37: Replacing Capsule Cage
Repair Replacing capsule cage Tool: Assembly tool (106) Procedure: 1 Open jaw. 2 Rotate capsule cage (103) from the cage bracket using the assembly tool (106). 3 Replace nozzle body (143) with a new one. 4 Fit new spare capsule cage (137). -
Page 38: Replacing Pyramid Plate
Repair Replacing pyramid plate Procedure: 1 Lift lever (94) with finger. 2 Remove ejector (122). 3 Remove pyramid plate (123) with receptacle (124). 4 Fit new pyramid plate with receptacle. Ensure that the pyramid plate is inserted in the correct position. 5 Lift lever (94) with finger. -
Page 39: Electronic Mainboard, Wiring Diagram
Repair Electronic mainboard, wiring diagram 1 Protective cover 2 Thermostat on pump 3 Fine-wire fuse on thermoblock 4 Pump 5 Reed contact 6 Control buttons right 7 IR sensor 8 Control buttons left 9 Flowmeter 10 NTC temperature sensor 11 Programming connector 12 Electromagnetic valve 13 Thermoblock... -
Page 40: Maintenance
Maintenance Descaling (1) Never use vinegar. 3. Switch on machine. Decalcifier is aggressive to the surface of the casing. Water Decalcify hardness after Descaling duration approx. 20 min 7. Turn hot water/steam lever back and switch off machine. 4. Press buttons simultaneously. 5. -
Page 41: Descaling (2)
Maintenance Descaling (2) 14. Empty decalcifier solution. 18. Switch off machine - Clean and rinse with a lot of water. decalcification is Fill water tank. completed. 10. Press buttons simultaneously. 19. Refill with fresh water. 15. Switch on machine. 11. Second valve decalcifi- cation starts and stops automatically. -
Page 42: Measuring Flow Rate
Maintenance Measuring flow rate Procedure: Remove ejector. Remove pyramid plate support. Fit pressure gauge. Close jaw. Position measuring beaker underneath. 12 bar Switch on machine. Open valve fully. Press button "Large cup". Close valve until 12 bar are indicated. The manometer must be observed continuously and the pressure regulated using the valve if necessary. -
Page 43: Checking For Leaks And Pump Pressure (1)
Maintenance Checking for leaks and pump pressure (1) The following components are checked for leaks: Brewing unit Connections Thermoblock Pump Electromagnetic valve Flowmeter Preparation of machine: Follow general disassembly stage 1 (see page 24). Remove top cover (81). Remove ejector and pyramid plate (see page 38). -
Page 44: Checking For Leaks And Pump Pressure (2)
Maintenance Checking for leaks and pump pressure (2) Procedure: Perform steps 1 to 8 on page 43. Press On/Off button to switch on machine. Press button "Large cup". Open valve and leave water to run out for approx. 10 s. Fully close valve. -
Page 45: Checking Extraction Chamber For Leaks
Maintenance Checking extraction chamber for leaks Procedure: Switch on machine. Remove ejector. Remove pyramid plate support. Insert special pyramid plate support. Insert capsule and close jaw. Press button "Large cup". Check outflow. The coffee should flow out evenly and without splashing to the side. If the jet is not correct, replace capsule cage. -
Page 46: Measuring Coffee Temperature
Maintenance Measuring coffee temperature Procedure: Switch on machine. Position measuring beaker underneath coffee outlet. After warming up, press button "Large cup" in order to heat the jaw. Open jaw and insert capsule (Cosi is the most suitable). Close jaw. Press button "Large cup". Wait until 20 ml coffee has flown in the measuring beaker and measure the coffee temperature approx. -
Page 47: Measuring Closing Force
Maintenance Measuring closing force Procedure: Ordering information: Switch on machine. Spring balance (80005) and compression force measuring tool (4.004) can be ordered After warming up, leave 150 ml of water from the following address: to flow through to heat up the jaw. Art. -
Page 48: Checking Safety Cutoff
Maintenance Checking safety cutoff Procedure: Switch on machine. Open jaw slowly after warming up. Check if the button lights turn off before the maximal jaw opening distance of 35 mm is reached. If lights turn off before, the test is ok. If lights do not turn off before, repeat the test if necessary and check reed contact for jaw position detection (see page 49). -
Page 49: Checking Reed Contact
Maintenance Checking reed contact Checking detection of jaw position During the test the coffee During the test the coffee machine must be switched off machine must be switched off and unplugged from the mains! and unplugged from the mains! Procedure: Procedure: Follow points 1 to 3 from checking reed Follow general disassembly stage 1 (see... -
Page 50: Daily Care And Cleaning (1)
Maintenance Daily care and cleaning (1) Procedure: Remove capsule from jaw. Empty capsule container. Empty water tank and drip tray. Clean water tank and drip tray. Reassemble coffe machine. Fill tank with fresh water. -
Page 51: Daily Care And Cleaning (2)
Maintenance Daily care and cleaning (2) Press On/Off button. Wait till end of warm up phase. Rinse coffe outlet by pressing button "Large cup" one or two times. Clean coffee machine. 1 - 2x ~30 s... -
Page 53: Spare Parts
Spare parts Pos. EFR item Description Remark 0036263 Support 737 black, to bottom combination 002A Side wall 741 right, chrom-sat. 002B Side wall 741 right, red 002C Side wall 737 right, titan 003A Side wall 741 left, chrom-sat. 003B Side wall 741 left, red 003C Side wall 731 left, titan 0026377... - Page 54 Spare parts Pos. EFR item Description Remark 0027674 Silicon tube 08,0x1,75x110 55 Shore natural, cut 0018372 Clip F-connection 0007731 Fixing clip FM 11753 PHO 0036233 Flowmeter support 737 black 0036188 Userprint 737 right compl. 0025409 Support 748 Tube-Steam black 0036246 Coverplate 737 Tube-Steam black 0036235...
- Page 55 Spare parts Pos. EFR item Description Remark 0024374 O-Ring 3,4x1,9 silicon 70 Shore red 2-comp.-silicon 0001565 O-ring EPDM D=5,28x1,78mm black 70 Shore 0026549 O-Ring 5,5x2,0 silicon 80 Shore red 2-comp.-silicon 0025450 Support pump AE grey 60 Shore D=13,5mm 46x69mm 0036276 Silicon tube 5,0x1,5x240mm 60 Shore transp.
- Page 56 Spare parts Pos. EFR item Description Remark 0036250 Gripp valve 737 chromium shine 0036955 Cover 737 black printed: symbol 0036252 Magnet-valve support 737 black 0024537 Screw PT 4,2x 8 Inox head zyl.Torx-15 point-CA 0028817 Lever for operation 748 chromium plated high polish 0025278 Tube FEP D4,0/2,50x220mm compl.
- Page 57 Spare parts Pos. EFR item Description Remark 0024360 Cover up 748 black swivel part 0024300 Axle 748 operating lever 0036223 Multiple-strand wires 737 EU yellow/green 130/390mm 0010997 Screw M4,0x8 zinc-pl. black Torx-15 0024390 Connecting piece 748 black for operating lever 0024388 Disc Typ KL dacrometisiert 0024395...
- Page 58 Spare parts Pos. EFR item Description Remark 0037592 Heating unit spare 737 with support assemb. 0036272 Tube PFA D4,0/2,50x290mm compl. assembled 0009365 Pressure spring 0,6x5,5x24,5mm stainless 0028314 Nozzle body 755 black 70 Shore 0037225 Frothing attachment 737 cpl. packed (Cappuccino - Caffe Latte) 0036966 Valve actuator 737 compl.asse.
- Page 59 Spare parts Pos. EFR item Pesola item Description 0027917 Pressure gauge 0027917 0028087 Assembly/disassembly tool 0024361 Key for capsule cage 0004872 Special (oval) screwdriver with Bit 0004878 Bit oval for screwdriver 80005 Spring balance 5kg Pesola AG, Switzerland 4.004 Spring balance accessory 0028087 (compression force measuring tool) Pesola AG, Switzerland...