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LB 2800 - LB 2810

MAINTENANCE MANUAL FOR

TECHNICAL ASSISTANCE

M

ANUAL CODE

10066574 / R

EL

. 0.00 / M

ARCH

2009

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Summary of Contents for LB 2800

Page 1: ...LB 2800 LB 2810 MAINTENANCE MANUAL FOR TECHNICAL ASSISTANCE MANUAL CODE 10066574 REL 0 00 MARCH 2009 ...

Page 2: ...LB 2800 Machine code 10080022 LB 2810 Machine code 10080005 Manual code 10066574 Rel 0 00 Edition 03 2009 Copyright LAVAZZA S p A Tel 0039 011 2398429 Fax 0039 011 23980466 technicalservice lavazza it ...

Page 3: ...2 7 3 Automatic Water Entry A E A 5 1 2 7 4 Volumetric dosing device 5 1 2 7 5 Checking boiler temperature pressure 5 1 2 7 6 Pumping system 6 1 2 7 7 Valve group 6 1 2 7 8 Electronic control unit 6 1 2 7 9 Softener 6 1 2 8 Machine identification data 7 1 2 9 Technical specifications 7 1 2 10 Overall dimensions 7 2 GENERAL SAFETY RULES 7 2 1 Stop functions 8 2 2 Safety devices 8 2 3 Residual risks...

Page 4: ...D 13 6 DISMANTLING 13 6 1 Instructions for end of life treatment 14 7 PROGRAMMING 14 7 1 Programming coffee doses 14 7 2 Programming cappuccino doses 15 7 3 Programming hot water doses 15 7 4 Programming the coffee cappuccino sequence 16 7 5 Loading default data 16 7 6 Programming boiler temperature 17 7 7 Coffee dispensing 17 7 8 Preparation of hot beverages 18 7 9 Cappuccinatore 18 8 PROBLEMS CA...

Page 5: ...rning The WARNING messages are displayed before pro cedures that if not observed could cause damage to the machine Warning If this manual is damaged or lost a new copy should be immediately requested from the manu facturer or authorised distributor of the country where the machine is used 1 2 4 Messages used Environment The ENVIRONMENT messages are displayed befo re procedures that if not observed...

Page 6: ...ing nozzle 6 Machine main switch 7 Adjustable foot 8 Coffee dispensing spout 9 Cappuccinatore 2 3 7 6 4 9 1 8 5 2 Manual code 10066574 Rel 0 00 March 2009 Maintenance manual for technical assistance LB 2800 LB 2810 1 2 5 Machine composition Note if not expressly indicated in the text the position numbers of the machine parts are referred to this figure ...

Page 7: ...l unit 3 Volumetric dosing device 4 Boiler pressure gauge 5 Dispensing assembly 6 Drain tub 7 Internal motor pump 8 Cold water mixing tap 4 6 7 1 5 8 3 2 3 Manual code 10066574 Rel 0 00 March 2009 Maintenance manual for technical assistance LB 2800 LB 2810 ...

Page 8: ...rature of the coffee in the cup you must adjust the temperature of the water in the boiler see related paragraph At rest In delivery 3 5 W Wa at te er r i in nl le et t C Co of ff fe ee e d de el li iv ve er ry y 1 2 4 Manual code 10066574 Rel 0 00 March 2009 Maintenance manual for technical assistance LB 2800 LB 2810 B 3 4 1 2 7 2 Delivery group The delivery group and the heat exchanger are the f...

Page 9: ...dosing device installed on the EVD electronic machines serves the purpose of measuring the quantity of water sent to the espresso delivery group The dosing device generates an electrical impulse which is sent to the electronic control unit This impul se is read by the control unit and memorized during the programming of the dose The flashing of the LED 1 indicates that the electrical impulse has b...

Page 10: ...alve the cold water sent from the pump to the heat exchanger is heated This heating causes an increase in the volume of water To limit pressure increases in the hydraulic cir cuit the valve limits the maximum internal pressure of the circuit to 12 bar Non return valve its function is that of preventing the backflow of water from the exchanger in the hydrau lic circuit Expansion valve Non return va...

Page 11: ...liance with local standards in force The electric socket connecting the machine should conform to the type of plug installed on the machine comply with the data provided on the plate placed on the bottom of the apparatus be connected to ground The electric parts of the machine must not enter into contact with any type of liquid danger of electric shock and or fire be manipulated by humid or wet ha...

Page 12: ...ts Do not work on the machine when it is sup plied with electrical power Before carrying out any maintenance or repair work on the machine you must turn it off by means of the main network switch or better yet disconnecting the con nection terminals in the network Never remove any body panel when the machine is supplied with electri cal power Never work on the hydraulic system before having emptie...

Page 13: ...ld know that the machine is electrically connected and act accordingly 3 INSTALLATION 3 1 Unpacking Open the packaging taking care not to damage the machine Remove the machine protections and the equipment contained in the package Take the machine out Warning It is prohibited to install the machine outside or in places where water or steam jets are used Warning The presence of magnetic fields or p...

Page 14: ...on Sufficient space must be allowed to access the machine and the plug to allow the user to move freely and to be able to immediately leave the area in an emergency 3 3 Positioning Prepare an ample support base for the machine that is suitable to support its weight 1 It is important that all ter minals of connections to the water mains 2 and to the electrical mains 7 are easily reachable and in an...

Page 15: ... the machine Connect the water mains 2 directly to the inlet of the machine 6 If you decide to install a water sof tener 11 connect the water mains 2 to the inlet of the water softener and the outlet of the water softener to the inlet of the machine 6 To prevent the water from freezing install the sof tener 11 only in rooms with an ambient tempera ture of more than 5 C When connecting the tub of t...

Page 16: ...for the boiler to fi ll up completely turn the machine off and then back on and repeat the operations described above A Attention On the electrical mains it is advisable to install a main protection switch A 3 6 Turning the machine on Turn the machine on using the main switch 1 Before using the machine wait for a short time about 10 min until the gauge 2 indicates the correct wor king pressure 1 1...

Page 17: ...perature above 4 C maximum temperature below 40 C maximum humidity below 95 The machine is packaged in cardboard and wood Warning Given the total weight of the package it is prohibi ted to stack more than three machines The machi ne should be stored in its original packaging in a dry and clean place without humidity or dust 5 ACCESSORIES INCLUDED Instruction booklet for machine use Accessories A R...

Page 18: ...ould be performed in an environmentally sound way and according to the local standards in force 6 1 Instructions for end of life treatment This product conforms to the EC Directive 2002 96 EC The symbol applied on the equipment or on the packa ging indicates that at the end of its life the machine should not be treated as a generic household waste but should be delivered to an authorised centre fo...

Page 19: ...peration for the other dose button When finished programming return the programming lever 1 to the OFF position 5 2 2 ON ON 1 5 2 2 ON ON 2 3 4 3 4 Note The programming of each dose must be done with a new pod and not with previously used pods Attention Programming must be performed by technical staff Use caution when accessing the interior of the machine setting the programming lever due to the h...

Page 20: ...In the simultaneous delivery sequence c however there is always a slight delay in the delivery of the coffee due to the pre infusion system To decide which of the three options to use proceed as follows Turn the machine off by moving the switch to position 0 press and hold the button of the push button panel regarding the desired option see figure alongside and simultaneously turn the machine back...

Page 21: ...pensing Put the coffee cup under the dispensing spout x 1 once you have reached the desired value confirm by pressing STOP PROG The LEDs will flash again to indicate the new setting Then the heating element light will come on and the machine will start operating turn the programming switch to OFF Default temperature 120 C Range 80 125 C Suggested temperature 115 C Attention Programming must be per...

Page 22: ...ce press the key STOP PROG 2 5 2 2 7 8 Preparation of hot beverages Dispensing hot water Place the jug under the hot water nozzle B Press the hot water delivery key A 5 2 2 Upon reaching the established amount of water dispensing stops immediately A B Attention Do not touch the hot water nozzle it gets very hot 5 2 2 ON ON 2 4 4 Red Ø 1 8 mm White Ø 1 9 mm 1 Note For proper use of the automatic ca...

Page 23: ...aptor adaptor Ø 1 9 mm Ø 1 8 mm Temperature ambient 16 C 55 60 C 60 68 C 68 75 C Chilled milk 6 C 48 56 C 58 63 C 63 70 C Preparation of caffelatte It is possible to dispense caffelatte milk without foam by using the lever 5 of the cappuccinatore CAPPUCCINO pos WARM MILK pos Attention Be sure the cappuccinatore is kept clean as described in the chapter Cleaning In versions without connection to th...

Page 24: ...h in the ON position 4 Check for any defective con nections 1 The water mains tap is closed 2 The pump filter is clogged 3 The motor pump is discon nected or jammed 4 The water filling solenoid valve is defective 5 The water inlet solenoid valve filter is clogged 1 Open the water mains tap 2 Replace the pump filter 3 Check the motor pump 4 Replace the water filling sole noid valve 5 Clean or repla...

Page 25: ...ef valve or the filter is loose 4 The seal or O ring of the pres sure relief valve or the filter is defective 1 Replace the main fuse 125 mA 2 Check the connection of the volumetric dosing device 1 The control unit fuse is bur ned out 2 The volumetric dosing device has a contact between the positive pole and earth 1 Check the status of the pump and replace it if necessary 2 Install the pump motor ...

Page 26: ...power supply to the pump close the mains water tap perform a dry delivery run for a few minutes reconnect the electrical power supply to the pump open the mains water tap perform delivery until water comes out wait a few minutes for hea ting 1 The electrical heating element is defective 2 The electrical connection is defective 3 Lime scale on heat exchanger and or heating element 4 The heating ele...

Page 27: ... 2 Check and clean the delivery group 3 Clean and replace the filter holders if necessary 1 The injector is clogged 2 The delivery group is clogged 3 The filter holder is dirty 1 Clean the filter holder 2 Replace the lower perforator 3 Replace the seal 4 Check the causes and elimi nate the problem 1 The filter holder is dirty 2 The lower perforator holes are worn 3 The undercup seal is worn 4 The ...

Page 28: ...etric dosing devi ce connector 2 Check for proper connection of the 8 pin connector of the electronic control unit 3 Remove the connector of the volumetric dosing device and thoroughly dry the contacts 4 Replace the heads of the volumetric dosing device or replace the dosing device 5 Check and replace the non return valve if necessary 6 Check and replace the drain valves if necessary 7 Clean and r...

Page 29: ... the solenoid valve 7 Check replace the dosing device 1 No water mains 2 Group solenoid valve is defective 3 The pump is jammed 4 The control unit fuse is bur ned out 5 The injector is clogged 6 The group solenoid valve is clogged or dirty 7 The volumetric dosing device is blocked 1 Check the sewer drain 2 Check and restore the con nection of the drain tube to the tub 3 Identify and eliminate any ...

Page 30: ... seal D replace the seal F replace the undercup seal G Machine Using the pressure gauge of the machine check that the pressure in the boiler is about 0 8 1 2 bar 9 CHECKS AND MAINTENANCE To ensure perfect safety and efficiency of the appliance over time it is necessary to carry out routine preventive and special maintenance In particular it is advisable to carry out an overall check of the machine...

Page 31: ...expansion of the water that has been heated up to a value of about 12 bar Reaching this value proves correct operation on the valve and the seal of the gaskets and the solenoid valves Check for correct operation of the PRESSURE GAUGE Check for LIME SCALE on the heating element and boiler Check the efficiency of the SOLENOID VALVE of the dispensing group Check for any HYDRAULIC LEAKS at the bench a...

Page 32: ...d of the delivery immerge the suction tube in cold water and repeat the procedure described above in order to rinse the cappuccinatore of any detergent residue return the lower body to pos A if the air intake hole 2 is blocked clear it gently with a pin 10 CLEANING For perfect cleaning and efficiency of the appliance several simple cleaning operations are necessary on the fun ctional parts and acc...

Page 33: ...t on the solid filter and attach the filter holder 3 Carry out a series of deliveries until the water comes out clean 4 Remove the filter holder from the unit and carry out at least one delivery so as to eliminate the detergent residue Perforator ring and perforator From the dispensing group Loosen the screw A and remove the perforator C and the spring B Loosen the ring E and remove the gasket D W...

Page 34: ...am solenoid valve F1 Fuse T10 A F2 Fuse T500 mA MP Pump SL Boiler level probe LED Heating element LED indicator PONT MOBILE INSERITO DISINSERITO JP2 Abilitazione funzione preinfusione JP3 Chiave di programmazione JP4 Abbinamento AEA pompa Solo caffè JP5 Connettore tasto tè PONT MOBILE INSERITO DISINSERITO JP6 Abbinamento tè pompa JP7 Funzionamento in Continuo JP8 Dosi miste Solo caffè JP9 Abilitaz...

Page 35: ...sure gauge 05 Discharge non return valve 06 Discharge tub 07 Pressure gauge 08 Choke 09 Boiler 10 Dispensing group 11 Steam solenoid valve 12 Safety valve 13 Negative pressure valve Dispensing hot water 14 Group solenoid valve 15 Automatic Water Entry solenoid valve 16 Coffee heat exchanger 17 Resistance 18 Volumetric dosing device 19 Distribution block 20 Cold water mixing solenoid valve 21 Cold ...

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