DeLonghi EN660 Service Manual
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DeLonghi EN660 Service Manual

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Summary of Contents for DeLonghi EN660

  • Page 1 EN660...

  • Page 2: Table Of Contents

    CONTENTS TECHNICAL DATA SHEET…………………………………. 29 ACCESSIBILITY………………………… 3.1 Technical data…………………………………………………. 30 1.1 Remove side panel………………………. Technical data…………………………………………………. 31 1.2 Remove back panel……………………… Technical data…………………………………………………. 32 1.3 Remove upper panel…………………….. 3.2 Functional diagram…………………………………………… 33 Remove upper panel…………………….. 3.3 Wiring diagram………………………………………………... 34 1.4 Replace Flowmeter……………………… .. 3.4 Hydraulic diagram……………………………………………..

  • Page 3: Accessibility

    1. ACCESSIBILITY...

  • Page 4: Remove Side Panel

    1.1 To remove side panel Unscrew the 4 indicated Remove with attention screws (T20) Torx the panel...

  • Page 5: Remove Back Panel

    1.2 To remove back panel To remove the back of the appliance, unscrew the 2 indicated screws (T20)Torx.

  • Page 6: Remove Upper Panel

    1.3 To remove upper panel: Lift with attention the Unscrew the 2 upper panel Indicated screws...

  • Page 7: Remove Upper Panel

    Take off the panel, pushing it to the back. Pay attention to the 3 indicated hooks...

  • Page 8: Replace Flowmeter

    1.4 To replace Flowmeter Take off the metal ring placed under 1. Take off the cable the pot container. Now it is possible 2. Take off the 2 tubes to remove the Flowmeter...

  • Page 9: Remove Thermoblock

    1.5 To remove the Thermoblock 1. Take off cables 2. Take off tubes 3. Unscrew the 2 screws and and the nuts. Now it is possible to remove the complete thermoblock.

  • Page 10: Remove The Steamer

    1.6 To remove the steamer: 1. Take off tubes Take off the 2 Thermal Cut Off 2. Take off cables Now it is possible to remove the 3. Unscrew the fixing screw steamer...

  • Page 11: Remove The Electrovalve

    1.7 To remove the Electrovalve: 1. Unscrew the 2 indicated Using a screwdriver , unhook screws the upper part of the front 2. Unhook the front panel panel...

  • Page 12: Remove The Electrovalve

    1. Take off cables 2. Take off tubes 3. Now it is possible to remove the Electrovalve...

  • Page 13: Remove Coffee Pump

    1.8 To remove Coffee Pump 1. Take off cables 2. Take off the tubes 3. Take off the connector Now, it is possible to remove the Coffee Pump Check cable connection! If the cables are reversed, it is not possible to generate any steam.

  • Page 14: Remove Electronic Board

    1.9 To remove Electronic Board: 1. Unscrew the 3 indicated 1. Unscrew the 2 screws screws. 2. Unhook the side of the 2. Take off cables front panel Now it is possible to remove 3. Remove the panel the electronic board.

  • Page 15: Remove Mbu

    1.10 To remove MBU: 1. Unscrew the 2 screws 1. Take off cables...

  • Page 16: Remove Mbu

    1. Unscrew the screws you find 1. Lift the lever on both sides of MBU 2. Lift and take off the cover...

  • Page 17: Remove Mbu

    1. Remove the 2 small covers 1. Unscrew the 4 indicated screws...

  • Page 18: Remove Mbu

    1. Unhook the upper panel 1. Remove the panel...

  • Page 19: Remove Mbu

    1. Remove the cover 1. Cut the band...

  • Page 20: Remove Mbu

    1. Unscrew the 2 screws you 1. Unscrew the 2 screws you find on the right side find on the left side...

  • Page 21: Remove Mbu

    1. Take out the spring and 1. Take out the spring and then then take off the tube you take off the tube you find on find on the left side of the rear of MBU electrovalve...

  • Page 22: Remove The Bottom

    1.11 To remove the bottom: 1. Push the Bottom towards the back 1. Unscrew the indicated of the appliance (see arrow). screw...

  • Page 23: Exploded View

    2. EXPLODED VIEW...

  • Page 24: Exploded View

    2.1 Exploded view:...

  • Page 26: Spare Part List

    Pos. Part Number Italiano English Français Deutsch Espanol 5332242900 FIANCO DX SIDE RIGHT COTE DROITE SEITE RECHTS LADO DERECHA 5332243000 FIANCO SX SIDE LEFT COTE GAUCHE SEITE LINKS LADO IZQUIERDO 5332243100 SCHIENALE REAR PANEL PANNEAU ARRIERE RÜCKWAND RESPALDO 5532144500 FONDO BOTTOM FOND BODEN...

  • Page 27: Spare Part List

    Pos. Part Number Italiano English Français Deutsch Espanol 5232118600 PROTETTORE PROTECTOR PROTECTEUR ÜBERTEMP.SCHUTZ PROTECTOR 5332243800 COPERCHIO COVER COUVERCLE DECKEL TAPA 5532150000 SCOCCA BODY CARROSSERIE KASTEN CARCASA 5332245100 MOLLA SPRING RESSORT FEDER MUELLE 5132110500 MICROINTERRUTTORE MICROSWITCH MICRORUPTEUR MIKROSCHALTER MICROINTERRUPTOR 5132112500 INTERRUTTORE SWITCH INTERRUPTEUR SCHALTER...

  • Page 28: Spare Part List

    Pos. Part Number Italiano English Français Deutsch Espanol 5332245000 COPERCHIO COVER COUVERCLE DECKEL TAPA 5332245400 GALLEGGIANTE FLOAT FLOTTEUR SCHWIMMER FLOTADOR 5332259400 GOMMINO RUBBER PAD PARE CHOCS PUFFER GUARNICION 5532141100 GALLEGGIANTE FLOAT FLOTTEUR SCHWIMMER FLOTADOR 5532150900 SCATOLA COMANDI CONTROL BOX BOITE DE CONTROLE SCHALTKASTEN CAJA DE MANDOS 5932125400...

  • Page 29: Technical Data Sheet

    3. TECHNICAL DATA SHEET...

  • Page 30: Technical Data

    3.1 Technical data: • MBU: Manual capsule insertion and ejection (Mini Brewing Unit) • Programmable cup volume memory (Espresso/Coffee) • Programmable cup volume memory (Macchiato/Cappuccino) • Programmable cup volume (Hot water) • Automatic priming • Two Heaters: Coffee Thermoblock & Steamer (for Steam and Hot water) •...

  • Page 31: Technical Data

    • Visual warning of the water level of the drip tray • Removable Hot water outlet • Spare mode after 1 hour: 50% energy reduction • Standby mode after 4 hour: 99% energy reduction • Semi-automatic descaling procedure • Electronic temperature regulation •...

  • Page 32: Technical Data

    • Dimensions (w x d x h) [mm] 205 x 342 x 258 • Weight of machine model A: ~ 5.3 kg • Weight of machine model B: ~ 6.8 kg • Safety temperature Coffee Thermobloc (Thermal fuse) 192° C •...

  • Page 33: Functional Diagram

    3.2 Functional diagram STEAM TEMPERATURE COFFEE TEMPERATURE SENSOR SENSOR CONTROL BOARD POWER BOARD F6 F5 FLOWMETER F1 F2 F3 F4 5 4 3 2 1 COFFEE STEAM LEGEND ON/OFF SWITCH HOT WATER SPOUT IN PLACE IFD DEVICE IN PLACE H.E. HEATING ELEMENT TCO THERMAL CUT-OFF THS SAFETY THERMOSTAT...

  • Page 34: Wiring Diagram

    3.3 Wiring diagram YELLOW / GREEN COFFEE TEMPERATURE STEAM TEMPERATURE SENSOR SENSOR CONTROL BOARD GREEN POWER BOARD BROWN STEAMER STEAME HEATING ELEMENT THERMAL CUT OFF GREEN WHITE GREEN BROWN STEAMER WHITE THERMAL CUT OFF FLOWMETER WHITE GREY 5 4 3 2 1 TCO GENERATORE F1 F2 F3 F4 BROWN...

  • Page 35: Hydraulic Diagram

    3.4 Hydraulic diagram...

  • Page 36: Reading Memory

    3.5 Reading memory 1. Switch off machine 2. Press and hold Standby button 3. Switch on the machine, keep the Standby button pressed for 5 sec 4. Statistical mode is enabled: Standby button can be released 5. Press and hold the following button: Espresso button for Number of coffees Cappuccino button for Numbers of milk preparation Coffee button for Litres of coffee...

  • Page 37: Overview Of Rating Plate

    4.OVERVIEW OF RATING PLATE...

  • Page 38: Rating Plate

    4.1 Rating plate DELONGHI The rating plate carries the Type Following information : Ser . Nr . Composition = Last digit of production years O4 = Production week = Years referring to 1992 Es : 2007 Production site Week 4...

  • Page 39: Tightening Torques For Screws

    5. TIGHTENING TORQUES FOR SCREWS...

  • Page 40: Tightening Torques For Screws

    5.1 TIGHTENING TORQUES FOR SCREWS 0,9 Nm 1,2 Nm 2 – 2,5 Nm Thermal Cut Off Ground connection Back panel...

  • Page 41: Measuring Coffee Temperature

    6. MEASURING COFFEE TEMPERATURE...

  • Page 42: Coffee Temperature

    6.1 MEASURING COFFEE TEMPERATURE 1. Switch on machine 2. Position measuring beaker underneath coffee outlet 3. Open jaw and insert capsule 4. Close jaw 5. Press button 6. Wait until 20 ml coffee has flown in the measuring beaker and measure the coffee temperature approx. 5 – 10 mm below the outlet opening.

  • Page 43: Water Circuit

    7. WATER CIRCUIT...

  • Page 44: Steam Water Circuit

    7.1 Steam water circuit 1.Water tank 2.Flowmeter 3.Pump 4.Heating element 5.Solenoid valve 6.Steam outlet...

  • Page 45: Coffee Water Circuit

    7.2 Coffee water circuit 1.Water tank 2.Flowmeter 3.Pump 4.Priming device 5.Thermoblock 6.Coffee outlet...

  • Page 46: Main Components

    8. MAIN COMPONENTS...

  • Page 47: Main Components

    8.1 Main components 1.Water tank 9. Push buttons 17.Frothed milk dispensing tube 25.Priming device 2.Electronic board 10.Main Switch 18.Milk intake tube 26.MBU lever 3.Floater 11.Solenoid valve 19.Thermal Cut Off 4.Drip tray grid, grid left, grid right 12.Steam Coupling 20.Steam Heating element 5.Drip tray 13.Milk Carafe 21.Flowmeter...

  • Page 48: Water Leakages And Pump

    9. WATER LEAKAGES AND PUMP PRESSURE TEST...

  • Page 49: Components

    9.1 Components BUTTON TO OPEN FAKE MANOMETER CAPSULE CONNECTOR DISCHARGE TUBE FAKE CAPSULE CONNECTOR...

  • Page 50: Test Procedures

    9.2 Procedure to check for water leakages and pump pressure 1. Open the machine . 2. Disconnect the heating elements and isolate them. 3. Prepare an empty jug under the discharge tube. 4. Press button to open fake capsule connector by opening the clamps (fig 1 ). 5.

  • Page 51: Mbu Closing Force Setting

    9.3 MBU closing force setting Setting procedure (without capsule): Step 1: Close the handle and give load to the setting screw Preload of the system to compensate first creeping Step 2: Open the handle Step 3: Give load (11N) to the handle Step 4: Drive setting screw slowly backwards until the handle closes completely.

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