LAVAZZA blue LB 400 CLASSY PLUS Maintenance Manual
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LAVAZZA blue LB 400 CLASSY PLUS Maintenance Manual

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LB 400 CLASSY PLUS USA 120V
TECHNICAL SUPPORT
MAINTENANCE MANUAL

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Summary of Contents for LAVAZZA blue LB 400 CLASSY PLUS

  • Page 1 LB 400 CLASSY PLUS USA 120V TECHNICAL SUPPORT MAINTENANCE MANUAL...
  • Page 2 LB 400 CLASSY PLUS USA 120V Machine code 18000339 Rel. 0.00 Edition 02/2020 © Copyright LAVAZZA S.p.A. To request technical support, contact: TECHNICAL SERVICE LAVAZZA sending an e-mail to: technicalservice@lavazza.com phoning n°: +39 011 2398429, or consulting the website: https://ts.lavazza.com...

  • Page 3: Table Of Contents

    Technical support maintenance manual CONTENTS 1. GENERAL INFORMATION OF MANUAL ....1 8. TROUBLESHOOTING .......... 14 1.1. STRUCTURE OF MANUAL ......1 8.1. INDICATION AND SOLUTION OF MOST COMMON PROBLEMS ......14 1.1.1. Scope and contents ........1 1.1.2. Messages used ........... 1 9.
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  • Page 5: General Information Of Manual

    This manual is intended for technicians qualified to per- the contents of this manual. If in doubt as to how to cor- form maintenance on the machine. Lavazza will not be rectly interpret the instructions, contact Lavazza S.p.A. for clarifications thereof.

  • Page 6: General Safety Standards

    Structural damage, improper modifications, tampering, machine. Lavazza will not be held liable for damage alterations or repairs can endanger the safety of the caused by failure to comply with the general safety machine.

  • Page 7: Handling And Storage

    Technical support maintenance manual as running water could seriously damage the electric 4. DEMOLITION AND WASTE DISPOSAL and electronic components. 4.1. INSTRUCTIONS FOR END-OF-LIFE DIS- - Never act on the hydraulic system and on the boiler before having emptied them and having checked that POSAL TREATMENT the system is no longer pressurised.

  • Page 8: Overview Of The Machine

    “5.2.2. Internal components”. tion data: - manufacturer; - machine model; - serial number; - Lavazza product code; - electric voltage (V) and frequency (Hz); - electric power absorbed (W). 5.1.2. OVERALL DIMENSIONS AND WEIGHT Depth 15 in (380 mm) Width 5.7 in (145 mm)

  • Page 9: External Components

    Technical support maintenance manual 5.2.1. EXTERNAL COMPONENTS 5.2.2. INTERNAL COMPONENTS MACHINE FRONT 1) Milk frother support Assy 1) Capsule insertion slot 2) Capsule loading lever 3) User interface MACHINE BACK 4) Dispenser spout 5) Cappuccino maker Assy (milk frother jug and cover) 6) Cup/milk frothing jug rest grid 7) Drip tray...

  • Page 10: User Interface

    Technical support maintenance manual 6. INSTALLATION, COMMISSIONING AND CONFIGURATION 6.1. UNPACKING Open the package taking care not to damage it. Pull the bags out containing the drip tray, the grill grid and the packaging that encloses the cappuccino maker Assy. Then lift the top cardboard protection and remove the machine - removing it from its protective casing.

  • Page 11: Start-Up Procedures

    Technical support maintenance manual 6.3. START-UP PROCEDURES To start the machine: - remove the water tank, rinse and fill it using only fresh non-carbonated drinking water; - reposition the tank; - plug in the machine; - press the ON/Stand-by button. The warm-up cycle begins.

  • Page 12: Alarm Messages

    Technical support maintenance manual 6.3.1. ALARM MESSAGES MACHINE STATE Machine ready without Milk frothing jug Delivering ESPRESSO Delivering LUNGO Delivering COFFEE 8 OZ. Delivering DOUBLE SHOT (only ESPRESSO supply) Programming ESPRESSO measure After pressing for 3 sec. Programming LUNGO measure After pressing for 3 sec.
  • Page 13 Technical support maintenance manual MACHINE STATE Delivering MACCHIATO Delivering CAPPUCCINO Delivering LATTE Delivering DOUBLE SHOT Ex: Cappuccino delivery Orange lights No water in circuit or water tank removed Orange lights Full capsule drawer filled Orange lights Descaling required Example: = OFF = ON = Flashing Rel.

  • Page 14: Programming

    Doses cannot be adjusted for milk-based beverages and the DOUBLE SHOT. To set the dose: - insert a BLUE or EXPERT Lavazza capsule in the relevant compartment; - close the capsule loading lever; The dispensing buttons light up in order and the ma- - put a cup under the dispensing spout;...

  • Page 15: Cleaning

    Once started, the cycle must be completed. [the machine beeps]; Note press the COFFEE 8 OZ. (3) button to start the We recommend using LAVAZZA DESCALING descaling cycle; products to descale the machine. [the COFFEE 8 OZ. (3) and the ON/STAND-BY (4) but- tons flash].
  • Page 16 Technical support maintenance manual Warning When the machine is used intensively, perform the cleaning operations more frequently. Note If the machine is not used for more than three days, empty the tank and fill it with fresh water. Then run a dispensing cycle (with no capsule) before dispensing beverages.

  • Page 17: Lubrication

    (5), in the highlighted points. Recommended product: FOOD SPRAY (Nils). Note With regards to the recommended products, you may wish to check availability of updated product data sheets on the Technical Service Lavazza website (https://ts.lavazza.com). Rel. 0.00 / February 2020...

  • Page 18: Troubleshooting

    • No water in the tank. • Top up the tank with fresh drinking wa- ter. • Capsule not present. • Insert a Lavazza Blue or Expert capsule or a compatible one. Unit ready for use but failing to ac- • Wrong button press/activation.
  • Page 19 • Open and close the lever to drop the capsule. Remove and empty the cap- sule collection tray. • Capsule not compatible. • Use suitable capsules (i.e. Lavazza Blue or Expert capsules) or any other compatible capsule. • Inadequate machine storing conditions / •...
  • Page 20 Technical support maintenance manual PROBLEM POSSIBLE CAUSES SOLUTIONS • Insufficient amount of milk fed with re- The milk-based beverage tempera- • Add more milk by following the indica- ture is too hot. spect to the selected / desired amount. tions of the icons on the milk jug. The milk-based beverage tempera- •...

  • Page 21: Recommended Tools For Disassembly And Assembly Operations

    Technical support maintenance manual 9. RECOMMENDED TOOLS FOR DISASSEMBLY AND ASSEMBLY OPERATIONS 12 mm hexagonal spanner Standard pliers Phillips screwdriver PZ1 Clippers T10 Torx Screwdriver Scissors T20 Torx Screwdriver Opening tool Flat-headed screwdriver 0.5x3 Pliers for faston Long nose pliers OETIKER pliers Note Use thermal grease when replacing the THERMOBLOCK PROBE.

  • Page 22: General Operations

    Technical support maintenance manual 10. GENERAL OPERATIONS Attention The machine has electric components and components which generate high temperatures. Disconnect the machine from the electrical mains and wait for the hot parts to cool off before performing disassembly and assembly operations. During disassembly and assembly operations, wear clothing and/or personal protective equipment intended by current legislation regarding safety at work.

  • Page 23: Removal Of Hydraulic Connections

    Technical support maintenance manual Figure C: disconnect this type of wiring by separating the male con- nector from the female by pulling it outwards. Figure D: remove the clamps (3) by pressing the bottom part of the cap with the pliers and pull them off.
  • Page 24 Technical support maintenance manual Figure B: disconnect this type of hydraulic pipe by removing the clip (1) using long nose pliers and disconnecting the pipe (2) by pul- ling it outwards. Note Hydraulic pipe passages must not be altered. Any clamps must be removed during disassembly and restored during reassembly operations.

  • Page 25: Disassembling The Body

    Technical support maintenance manual 11. DISASSEMBLING THE BODY 11.1. EXTRACTING THE DRIP TRAY / USED CAPSULE TRAY AND THE WATER TANK ASSY Figure A: after having removed the power cable from the socket, remove the DRIP TRAY / USED CAPSULE TRAY. Figure B: pull the WATER TANK ASSY upwards to extract it from its seat.
  • Page 26 Technical support maintenance manual Figure C: remove the HANDLE SPACERS (one on each side). Figure D: set the machine ho- rizontally and unscrew the four screws on the base. Note While reassembling, tighten the screws with a torque of 0.6 ± 0.1 Set the machine upright again.
  • Page 27 Technical support maintenance manual Figura F: remove the screw shown and lift the top cover up with the help of a tool. Figure G: disengage the small in- terlocking teeth, found in the rear part of the appliance, from top to bottom, while using the LEFT PA- NEL as lever with your hand.

  • Page 28: Extracting The User Interface

    Technical support maintenance manual Repeat the procedure described in Figures G - H - I for the RIGHT PANEL. Figure L: unplug the USER IN- TERFACE connector, slide the cable out, and completely remove the top cover. 11.3. EXTRACTING THE USER INTERFACE Figure A: use your fingers to un- latch the 4 locking points shown and slide out the frame.

  • Page 29: Removing Internal Components

    Technical support maintenance manual 12. REMOVING INTERNAL COMPONENTS The internal parts can be accessed after having removed the body parts. 12.1. REMOVING THE VOLUMETRIC DOSER Figure A: remove the wiring (1), the SILICONE PIPE (2) and the black piping (3). Figure B: press the two lower in- terlocking levers to lift and remove the VOLUMETRIC DOSER.
  • Page 30 Technical support maintenance manual Figure B: disconnect the wires of the CAPSULE TRAY / MILK FROTHER PRESENCE CROSWITCH ASSY. Figure C: remove the SILICONE COFFEE OUTPUT PIPE, found next to the MILK FROTHER SUP- PORT ASSY. Figure D: remove the indicated FORK and the relevant TEFLON PIPE from the solenoid valve unit.
  • Page 31 Technical support maintenance manual Figure E: use a screwdriver to press the three tabs shown while pulling the MILK FROTHER SUP- PORT ASSY downwards with your hand to extract it from the machi- Figure F: remove the MILK FRO- THER PRESENCE microswitch (1) by lifting it upwards and use the indicated tooth as a lever.

  • Page 32: Disassembling The Pump

    Technical support maintenance manual 12.4. DISASSEMBLING THE PUMP Warning Wait for the boiler to cool off before performing these operations. DANGER OF BURNS. Figure A: cut the CLAMP of the high pressure SILICONE PIPE and remove the PIPE. Warning Be careful not to tear the pipe. While reassembling, the CLAMP must be replaced and tightened with the OETIKER PLIERS.
  • Page 33 Technical support maintenance manual Figure D: remove the HIGH PRESSURE PUMP OUTPUT CONNECTOR ASSY while hol- ding the sleeve stationary (6) and simultaneously turning the con- nector anti-clockwise (7). Note Re-insert the LOWER BRACKET by applying light pressure on the buffer (8), as shown in figure E.

  • Page 34: Removing The 2 And 3-Way Solenoid Valve Unit Assy

    Technical support maintenance manual 12.5. REMOVING THE 2 AND 3-WAY SOLENOID VALVE UNIT ASSY Figure A: remove the three mounting FORKS of the hydraulic connections. Remove the three corresponding TEFLON PIPES and the two SILI- CONE PIPES (1) placed at the top of the solenoid valve unit.

  • Page 35: Extracting The Cpu Board

    Technical support maintenance manual Warning When replacing the solenoid valve unit Assy, pair O-RINGS within each connection point must replaced with TEFLON PIPES, as shown in figure D. 12.6. EXTRACTING THE CPU BOARD Figure A: disconnect all the wi- rings present and remove the electronic card while using the two points shown as lever.

  • Page 36: Extracting The Thermoblock Probe

    Technical support maintenance manual 12.8. EXTRACTING THE THERMOBLOCK PROBE Figure A: loosen the screw of the PROBE fixing plate, found in con- tact with the thermoblock. Cut power to the board and slide out the component. Warning Clean the PROBE from any residual thermal grease and while inserting it take care to apply an adequate amount of grease to the contact point with the thermoblock.
  • Page 37 Technical support maintenance manual Figure B: lift the dispensing unit slightly and loosen the screw (1) of the mounting plate (2) of the THERMOBLOCK THERMAL FUSE ASSY. Then disengage the thermal fuses (3) from their seat. Note While reassembling, tighten the screws with a torque of 2 ± 0.1 Nm. Figure C: set the machine hori- zontally and disconnect the three hydraulic connections shown, re-...

  • Page 38: Disassembling The Thermoblock

    Technical support maintenance manual Figure E: lift the DISPENSING UNIT upwards and remove all the connected wiring. Then remove it from the machine. Note The THERMOBLOCK is inserted in the DISPENSING UNIT. 12.9.1. DISASSEMBLING THE THERMOBLOCK Figure A: unscrew the fixing screws of the thermoblock (one on each side) and extract the compo- nent.
  • Page 39 Technical support maintenance manual Warning Before putting the thermoblock back into its housing, the GASKETS indicated in figure C must be replaced. Take care to remove any residual thermal grease in the contact point (1) of the THERMOBLOCK PROBE and apply fresh grease before setting the PROBE back in place.

  • Page 40: Disassembling The Dispensing Unit

    Technical support maintenance manual 12.9.2. DISASSEMBLING THE DISPENSING UNIT Figure A: remove the cranks (1) and the rods (2) by extracting the Seeger rings on each side (two external and one internal). Figure B: remove the infusion chamber. Unscrew the three fixing screws of the CAPSULE TOP PIERCING SUPPORT (3) in order to extract Figure C: remove the four bolts of...
  • Page 41 Technical support maintenance manual Figure D: proceed with the remo- val of the PIERCING PLATE (4). Use a screwdriver to press the central hole of the plate for the PIERCING TIPS to come out. Then unscrew the two screws shown. Figure E: the PIERCING PLATE automatically rises, pushed by the underlying spring and can be ea-...
  • Page 42 Technical support maintenance manual Figure G: from the back of the plate, use the three levers indica- ted to extract the support of the piercing tips (5). Lastly, unscrew the two screws shown and remove the PIERCING TIPS (6). Attention Handle the PIERCING TIPS with care so as to avoid injuring yourself.

  • Page 43: Diagrams

    Technical support maintenance manual 13. DIAGRAMS 13.1. WIRING DIAGRAM Machine components Volumetric doser Capsule tray presence microswitch Power cable Faston Thermoblock thermal fuse (phase) Thermoblock thermal fuse (neutral) Thermoblock Pump Pump thermal protector 2 and 3-way solenoid valve unit Thermoblock probe USB port to update Firmware User interface Milk frother motor...

  • Page 44: Hydraulic Diagram

    Technical support maintenance manual 13.2. HYDRAULIC DIAGRAM Machine components Drip tray Milk frother inlet Assy Cappuccino maker Assy 3-way solenoid valve 2-way solenoid valve Dispensing valve Capsule Thermoblock Pump Volumetric doser Tank Rel. 0.00 / February 2020...

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