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LAVAZZA BLUE LB 300 CLASSY MINI Maintenance Manual
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LAVAZZA BLUE LB 300 CLASSY MINI Maintenance Manual

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10
Doses
10
Start-Up Procedures
10
Programming
11
Descaling
13
Indication and Solution of most Common Problems
Table of Contents
LB 300 CLASSY MINI
TECHNICAL SUPPORT
MAINTENANCE MANUAL

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Summary of Contents for LAVAZZA BLUE LB 300 CLASSY MINI

  • Page 1 LB 300 CLASSY MINI TECHNICAL SUPPORT MAINTENANCE MANUAL...
  • Page 2 LB 300 CLASSY MINI Machine code 18000253 Rel. 0.00 Edition 06/2018 © Copyright LAVAZZA S.p.A. To request technical support, contact: TECHNICAL SERVICE LAVAZZA sending an e-mail to: technicalservice@lavazza.it phoning n°: +39 011 2398429, sending a fax to n°: +39 011 23980466 or consulting the website: http://ts.inlavazza.it...

  • Page 3: Table Of Contents

    Technical support maintenance manual CONTENTS 1. GENERAL INFORMATION OF MANUAL ....1 9. TROUBLESHOOTING ..........9 1.1. STRUCTURE OF MANUAL ......1 9.1. INDICATION AND SOLUTION OF MOST COMMON PROBLEMS ....... 9 1.1.1. Scope and contents ........1 1.1.2. Messages used ........... 1 10.
  • Page 4 Technical support maintenance manual Page left intentionally blank. Rel. 0.00 / June 2018...

  • 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 nect it from the electrical network. 4. DEMOLITION AND WASTE DISPOSAL 4.1. INSTRUCTIONS FOR END-OF-LIFE - Do not use water jets for washing any part of the ap- pliance because running water can seriously damage DISPOSAL TREATMENT electrical and electronic components.

  • Page 8: Overview Of The Machine

    Technical support maintenance manual 5. OVERVIEW OF THE MACHINE 5.1.3. TECHNICAL FEATURES Power supply voltage 220-240 V 5.1. MODEL Power supply frequency 50-60 Hz LB 300 CLASSY MINI Installed power 1250 W Water tank capacity 700 cc Boiler type THERMOBLOCK Using the volumetric Water presence check meter...

  • Page 9: External Components

    Technical support maintenance manual 5.2.1. EXTERNAL COMPONENTS 4) Dispensing unit 5) Flowmeter 6) Electronic board 7) 2-way solenoid valve 1) Capsule loading lever 2) Tank cover 3) Water tank 5.3. USER INTERFACE 4) Power cable 5) Used capsule drawer 6) Cup support grid 7) Drip tray grid 8) On / Free dose dispensing button 9) On / Espresso dispensing button...

  • Page 10: Installation, Commissioning And Configuration

    Technical support maintenance manual 6. INSTALLATION, COMMISSIONING AND 6.3. START-UP PROCEDURES CONFIGURATION To start the machine: 6.1. UNPACKING - remove the water tank, rinse and fill it using only fresh non-carbonated drinking water; Open the package taking care not to damage it. Extract the machine, pulling it out of the protective casing.

  • Page 11: Resetting To Factory Default Dose

    Technical support maintenance manual Note repeat the procedure in point (h) until the tank is If dose programming exceeds the maximum al- completely empty; lowed quantity (220 cc), dispensing is interrupted automatically, the selected button flashes and the remove the tank, rinse it, fill it entirely and reposition last value set is maintained in the memory.
  • Page 12 Technical support maintenance manual Note Do not leave water in the circuit and tank for more than 3 days. If this should occur, empty, rinse and refill the tank with fresh water. Then run a dispens- ing cycle (with no capsule) before dispensing bev- erages.

  • Page 13: Troubleshooting

    Noisy machine. No water in the tank. Top up with cool potable still water. No capsule. Insert a Lavazza or compatible capsule. There is no water in the tank. Top up with cool potable still water. The machine does not dispense The tank is not inserted correctly.
  • Page 14 Technical support maintenance manual PROBLEM POSSIBLE CAUSES SOLUTIONS Defective capsule. Replace the capsule with a new one. Pump not operating correctly. Check for abnormal machine noise. The coffee comes out in drips. Carry out a few dispensing cycles without Dispenser / hydraulic circuit clogged. inserting the capsule.

  • Page 15: Recommended Tools For Disassembly And Assembly Operations

    Technical support maintenance manual 10. RECOMMENDED TOOLS FOR DISASSEMBLY AND ASSEMBLY OPERATIONS T10 Torx Screwdriver T20 Torx Screwdriver Phillips screwdriver PH0 Flat-headed screwdriver 0.5x3 Long nose pliers Opening tool Clippers OETIKER pliers Rel. 0.00 / June 2018...

  • Page 16: General Operations

    Technical support maintenance manual 11. 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 protec- tive equipment intended by current legislation regarding safety at work.

  • Page 17: 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. 11.2. REMOVAL OF HYDRAULIC CONNECTIONS This paragraph describes all the types of disconnection of the hydraulic pipes on the machine. Figure A: remove the type of hy- draulic pipe shown in the figure by pulling the pipe outwards to dis-...
  • Page 18 Technical support maintenance manual Note Recover the gaskets (3) and in- sert them in the pipes as shown in figure C. Replace the gaskets if worn. Rel. 0.00 / June 2018...

  • Page 19: Disassembling The Body

    Technical support maintenance manual 12. DISASSEMBLING THE BODY 12.1. EXTRACTING THE DRIP TRAY / USED CAPSULE DRAWER AND WATER TANK Figure A: after disconnecting the power cable from the mains out- let, remove the mug / cup holder grille and extract the DRIP / USED CAPSULE COLLECTION TRAY.

  • Page 20: Removal Of The Rear Panel

    Technical support maintenance manual Figure B: extract the side panels by applying upward force. 12.4. REMOVAL OF THE REAR PANEL Figure A: undo the three screws on the base and extract the rear panel. 12.5. REMOVAL OF THE USER INTERFACE ASSEMBLY Figure A: disconnect the keypad cabling from the electronic board.
  • Page 21 Technical support maintenance manual Figure B: release the fastening teeth indicated (two per side) and extract the user interface. Figure C: remove the two gaskets and release the clips in the high- lighted points. Figure D: extract the frame (1). Rel.

  • Page 22: Removing The Top Cover

    Technical support maintenance manual Figure E: extract the keypad bracket (2). Undo the screws, disconnect the cabling and remove the USER IN- TERFACE KEYPAD ASSEMBLY (3). 12.6. REMOVING THE TOP COVER Figure A: use a flathead screw- driver to lift and release the clips on the top cover (two per side and one rear).

  • Page 23: Removing The Machine Base

    Technical support maintenance manual 12.7. REMOVING THE MACHINE BASE Figure A: undo the two screws in- dicated. Figure B: extract the base. 13. REMOVING INTERNAL COMPONENTS The internal parts can be accessed after having removed the body parts. 13.1. DISASSEMBLING THE PUMP Warning Wait for the boiler to cool off before performing these operations.
  • Page 24 Technical support maintenance manual Figure B: remove the thermal pro- tector (3) and the electrical con- nections (4). Figure C: Using a phillip’s screw- driver on the indicated tooth, ex- tract the upper support (5) and slightly extract the pump. Figure D: extract the silicone hose (6) from the self-priming valve, cut the tie on the high pres-...

  • Page 25: Removing The 2-Way Solenoid Valve

    Technical support maintenance manual 13.2. REMOVING THE 2-WAY SOLENOID VALVE Figura A: disconnect the dis- charge hose on the other side of the machine. Figura B: cut the high pressure SILICON HOSE clamp and re- move the hose. Warning Take care not to tear the hose. During reassembly, the clamp must be replaced and tightened with the OETIKER pliers.

  • Page 26: Removing The Flowmeter

    Technical support maintenance manual Figure D: disconnect the electri- cal wires. Then remove the solenoid valve. Warning Take note of the positioning of the wirings before disconnecting them. 13.3. REMOVING THE FLOWMETER Figure A: remove the electrical connector. Figure B: release the dosing unit from its seat, slightly bending the pump connection hose (1) and si- multaneously pushing the dosing...

  • Page 27: Extracting The Water Tank Inlet Valve

    Technical support maintenance manual Warning When refitting the dosing unit Connection with the tank in its seat, ensure that the area with the channelling shown in Figure C is connected to the connection hose with the tank. Connection with the pump 13.4.

  • Page 28: Removal Of The Thermoblock And Temperature Probe

    Technical support maintenance manual 13.5. REMOVAL OF THE THERMOBLOCK AND TEMPERATURE PROBE Warning Wait for the boiler to cool off before performing these operations. DANGER OF BURNS. Figure A: disconnect the tem- perature probe cabling from the electronic board and remove the cable.
  • Page 29 Technical support maintenance manual Figure D: disconnect the ground connection from the solenoid valve. Figure E: cut the high pressure SILICON HOSE solenoid valve clamp and remove the hose. Warning Take care not to tear the hose. During reassembly, the clamp must be replaced and tightened with the OETIKER pliers.
  • Page 30 Technical support maintenance manual Figure G: cut the ties securing the high pressure WATER INLET and OUTLET hoses. Disconnect the hoses Warning Take care not to tear the hoses. During reassembly, the ties must be replaced and tightened with the OETIKER CLAMP PLIERS.

  • Page 31: Removing The Power Cable

    Technical support maintenance manual 13.6. REMOVING THE POWER CABLE Figure A: undo one of the cable clamp screws and loosen the other. Figure B: push the power cord (1) toward the inside of the machine so that the electrical clamps (2) protrude.
  • Page 32 Technical support maintenance manual Figure B: disconnect the coffee dispensing hose (1). Figure C: undo the indicated screws (two per side) and extract the dispensing unit (2). Figure D: cut the two ties of the high pressure HOT WATER and DISCHARGE hoses in the top part of the distribution unit.

  • Page 33: Extracting The Cpu Board

    Technical support maintenance manual 13.8. EXTRACTING THE CPU BOARD Figure A: disconnect all cabling, undo the indicated screw and re- move the BOARD. Warning Take note of the positioning of the wirings before disconnect- ing them. Rel. 0.00 / June 2018...

  • Page 34: Diagrams

    Technical support maintenance manual 14. DIAGRAMS 14.1. WIRING DIAGRAM Machine components Power cable User interface CPU board Thermoblock temperature probe Thermoblock thermal fuse Thermoblock Pump thermal protector Pump 2-way solenoid valve NANO flowmeter Rel. 0.00 / June 2018...

  • Page 35: Hydraulic Diagram

    Technical support maintenance manual 14.2. HYDRAULIC DIAGRAM Machine components Tank NANO flowmeter Pump Self-priming valve Thermoblock Distribution valve Dispensing unit 2-way solenoid valve Drip tray Rel. 0.00 / June 2018...

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