LAVAZZA Blue LB 910 Compact Maintenance Manual For Technical Assistance
LB 910 Compact
MAINTENANCE MANUAL
FOR TECHNICAL ASSISTANCE
MANUAL CODE 10081945 / REL. 0.00 / FEBRUARY 2014
LB 910 Compact
Machine code
10080207
Manual code
10081945
Rel. 0.00
Edition 02/2014
© Copyright LAVAZZA S.p.A.
www.absoluteaftersales.it
Tel. 00 39.011.2348429
Fax 0039.011.23480466
technicalservice@lavazza.it
Maintenance manual for technical assistance
ABLE OF CONTENTS
T
1. GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 1
1.1. Structure of the manual . . . . . . . . . . . . . . . . . . 1
.1.1. Scope and content . . . . . . . . . . . . . . . . . . . 1
1
1.1.2. Messages used . . . . . . . . . . . . . . . . . . . . . . 1
1.1.3. Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1.4. Preservation . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2. Designated personnel . . . . . . . . . . . . . . . . . . . 1
1.3. Machine composition . . . . . . . . . . . . . . . . . . . . 2
1.3.1. Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3.2. Identification data. . . . . . . . . . . . . . . . . . . . . 2
1.3.3. Overall dimensions and weight . . . . . . . . . . 2
1.3.4. Technical specifications . . . . . . . . . . . . . . . 2
1.3.5. External components . . . . . . . . . . . . . . . . . 2
1.3.6. Internal components . . . . . . . . . . . . . . . . . . 2
1.3.7. List of the accessories supplied with the
machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
7. DISASSEMBLY OF COMPONENTS . . . . . . . . . . . 6
.1. Disassembling the machine body . . . . . . . . . . 6
7
7.2. Disassembling the hydraulic supply unit . . . . . 8
7.3. Disassembling the on/off switch . . . . . . . . . . . 9
7.4. Disassembling the micro switch of handle
closure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.5. Disassembling the sensor of drawer
presence . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
7.6. Disassembling the boiler unit . . . . . . . . . . . . . 11
7.7. Disassembling thermal safety and temperature
detection systems . . . . . . . . . . . . . . . . . . . . . . 11
7.8. Disassembling the coffee brewing unit . . . . . . 12
7.9. Disassembling the electronic board . . . . . . . . 14
8. CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . 15
8.1. Programming coffee dose . . . . . . . . . . . . . . . 15
2. GENERAL SAFETY STANDARD . . . . . . . . . . . . . 3
2.1. Stop functions . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2. Safety devices . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.3. Residual risks . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. HANDLING AND STORAGE . . . . . . . . . . . . . . . . 4
3.1. Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.2. Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. DISMANTLING AND DISPOSAL . . . . . . . . . . . . . 4
4.1. Instruction for end of life treatment . . . . . . . . . . 4
5. INSTALLATION AND START UP . . . . . . . . . . . . . 5
5.1. Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5.2. Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6. RECOMMENDED TOOLS . . . . . . . . . . . . . . . . . . 5
8.2. Programming . . . . . . . . . . . . . . . . . . . . . . . . . 15
8.2.1. Unit release function . . . . . . . . . . . . . . . . . 15
8.2.2. Changing set temperature . . . . . . . . . . . . . 15
8.2.3 General reset function . . . . . . . . . . . . . . . . 16
8.3. Alarm messages . . . . . . . . . . . . . . . . . . . . . . 17
9. DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9.1. Electrical diagram . . . . . . . . . . . . . . . . . . . . . . 18
9.2. Hydraulic diagram . . . . . . . . . . . . . . . . . . . . . 19
10. INSPECTIONS AND MAINTENANCE . . . . . . . . 20
10.1. Weekly and daily cleaning . . . . . . . . . . . . . . . 20
10.2. Descaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
11. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . 22
11.1. Signalling and solutions to the most common
problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Manual code 10081945 / Rel. 0.00 / February 2014
Maintenance manual for technical assistance
. GENERAL INFORMATION
1
1.1. Structure of the manual
Before any operation is carried out on the machine,the
maintenance technician must carefully read the instruc-
ions contained in this publication. The undertaking of
t
any operation on the machine, without having read and
understood the contents of this manual is prohibited. If
there is any doubt about the correct interpretation of the
nstructions, contact Lavazza in order to obtain the ne-
i
cessary clarification.
1.1.1. Scope and content
This manual contains all the information necessary for
the maintenance of the machine, safety instructions,
troubleshooting and diagrams.
All reproduction rights for the present manual are reserved to Luigi Lavazza S.p.A. The reproduction, even partial, of text or images is forbidden. Information contained
here cannot be transmitted to any third parties without
the prior written permission of Lavazza, which has the
exclusive rights to the property.
Lavazza reserves the right to modify features of equipments presented in this publication without prior notice;
it also declines any responsibilities for possible inaccurancies due to misprint.
It is recommended that the Internet site of the Lavazza
Technical Service be checked (at the following address
http://ts.inlavazza.it) to ensure that your manual is the
most recent version available and otherwise to download
an updated copy.
1.1.3. Users
This manual is designed for technicians qualified to
maintain the machine. Lavazza is not responsible for
damage derived from the failure to follow these rules.
1.1.4. Preservation
In order to be able to guarantee the integrity and utility of
his manual the following guidelines should be observed:
t
- employ this manual in such a way that it remains undamaged and whole;
- do not for any reason, remove, tear, or write over any
part of the manual;
- keep the manual in an area protected from humidity
and heat, in such a way that the quality and legibility of
the publication are not compromised;
- keep the manual close at hand for maintenance staff.
Warning
If this manual is damaged or lost, it is possible to
download another copy from the Lavazza Technical
Service site at the following address: http://ts.inlavazza.it.
1.2. Designated personnel
The machine may be operated only by a qualified technician who has read this manual and moreover who:
1.1.2. Messages used
Attention
ATTENTION messages indicate a danger, possibly
lethal, for the technician. The operations described
after this message must be carried out carefully and
safely using the personal protective equipment.
Warning
WARNING messages are displayed before procedures that, if not observed, could cause damage to the
machine.
Environment
ENVIRONMENT messages are displayed before procedures that, if not observed, could cause damage
to the environment.
NOTE
Messages show further information useful for the
maintenance technician.
- has specific experience in the maintenance of professional coffee machines;
- is able to carry out repairs in case of serious malfunction of the machine / machines shown in this manual;
- is able to understand the technical contents of the manual and to correctly interpret drawings and diagrams
and has knowledge of the safety information described
below;
- has knowledge of the appropriate hygiene, workplace
safety, technology and security measures;
- knows how to act in an emergency, where to find the
personal protective equipment and knows how to use
it.
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Maintenance manual for technical assistance
1.3. Machine composition
If not expressly indicated in the text, the position numbers of the machine components refer to figures in the
chapters 1.3.5. External components and 1.3.6 Internal
components.
1.3.1. Models
LB 910 Compact
1.3.5. External components
1) Capsule loading handle
2) Water tank lid
3) Tank
4) On/off switch
5) Drip / used capsule tray
6) Cup support grid
7) Control panel
2
3
4
1
7
6
5
1.3.2. Identification data
In the plate the following data of the machine are indicated:
- manufacturer;
- machine model;
- serial number;
- product code Lavazza;
- production date;
- power supply voltage (V);
- power supply frequency (Hz);
- power consumption (W);
1.3.3. Overall dimensions and weight
Depth:
360 mm
Width:130 mm
Height:235 mm
Weight: 3,6 kg
1.3.4. Technical features
Power supply voltage: 220-240 V
Power supply frequency: 50/60 Hz
Power consumption: 1300 W
Water tank capacity: 1,2 litri
Boiler type: thermoblock
Control of water level: electronic control
Capsule container capacity: 8
1.3.6. Internal components
1) Coffee brewing unit
2) Boiler
3) Flowmeter
4) Pump unit
5) Tank coupling
6) Solenoid valve
1
2
6
3
4
5
2
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Maintenance manual for technical assistance
1.3.7. List of the accessories supplied with the ma-
chine
A) Instruction booklet for using the machine
2. GENERAL SAFETY STANDARD
Attention
Failure to comply with basic safety rules and precautions could cause accidents during machine
operation and maintenance. During the repair of the
machine all the measures necessary to prevent accident must be used.
The main safety precautions that should be used when
operating the machine are described below. Lavazza
does not foresee every possible situation that could be
potentially dangerous. Warnings in this manual are not
exhaustive. If tools, procedures, working methods or techniques not expressly recommended are used, make
sure that there is no risk of personal injury or injury for
other people.
Adjustments, specifications and illustrations in this manual are based on information available at the moment
of the editing and therefore can change anytime. These
modifications affect maintenance operations to be carried out. Ensure that the updated version of the present
manual is being used.
Power connection must be made in compliance with the
CEI EN 60335-1 and local safety standards in force.
vered in the normal procedures of diagnosis and repair.
In case of fire, use carbon dioxide (CO
) extinguishers.
2
Do not use water or powder extinguishers.
If an operation or intervention not foreseen should be
carried out, following a different procedure than that indicated in the manual, please contact Lavazza technical
service before starting.
Structural damage, modifications, tampering, alterations
or improper repairs could compromise the safety of the
machine.
2.1. Stop functions
To turn the machine off, press the on/off switch.
2.2. Safety devices
The machine/s described in this publication, are designed in compliance with the specific standards in force
(CEI EN 60335-1) and therefore have measures of protection in all the potentially hazardous parts.
Pump thermal protector: it serves to stop the machine
when the pump reaches a temperature of 120° due to
insufficient or lack of water. To restart the machine wait
4 or 5 minutes for it to cool down.
Thermal fuses: they serve to stop the machine operation if the boiler is overheated.
A Fuse on the power board.
The electric socket connecting the machine must:
- conform with the type of plug installed on the machine,
if it is present;
- be sized in order to comply with the data provided on
the plate on the bottom of the appliance;
- be connected to ground system, efficient and in accordance with the law.
Before carrying out any operation on the machine ensure that the plug is disconnected from the current and
that the machine is cool.
In order to avoid any electric shocks, electrical parts and
surrounding components must not :
- enter into contact with any type of liquid;
- be manipulated by humid or wet hands;
- be tampered with.
It is forbidden:
- to use the machine near flammable substances and/or
explosives and/or in an atmosphere with any risk of
fire;
- to use unoriginal spare parts (not advised by the manufacturer);
- to carry out any type of technical modification not co-
Attention
Do not change, eliminate or by-pass the safety devices in order to not cause serious risks to health
and safety.
2.3. Residual risks
The careful hazardous analysis performed, has allowed
most of the risks connected with operating and maintenance machine conditions to be eliminated. Lavazza reminds the user that the instructions, procedures and
recommendations contained in this manual should be
strictly followed, and comply with the safety rules in
force, including the use of provided protection devices,
both integrated in the machine and individual.
This chapter illustrates the risks that the user may incur
if he does not comply with the specific safety rules as
described in this booklet.
- Do not work on the machine when it is powered.
Before carry out any operations on the machine, disconnect it from the electrical network.
- Do not use water jets for washing any part of the appliance because running water can seriously damage
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Maintenance manual for technical assistance
electrical and electronic components.
- Never work on the hydraulic system and boiler before
having emptied them and checking that no pressure is
n the system.
i
- This machine is an appliance for espresso coffee dispensing. Any other type of use is considered incor-
ect and therefore dangerous.
r
Attention
Non-observance of the above rules can cause serious harm to people, property or animals.
3. HANDLING AND STORAGE
3.1. Handling
During handling the machine must be treated according
to the rules in force concerning health and safety on working places.
During handling and transport, the machine must remain
in a vertical position according to the directions and symbols on the packaging. Carry out lifting and positioning
with care. Do not shake the machine. For occasional
transport use the original packaging, which will contain
and protect the machine.
delivered to an authorised local recycling centre of
WEEE. Collecting the components of the machine in
properly separated fractions will enable recycling, treatment and environmentally friendly disposal and contri-
ute to avoiding possible adverse effects on the
b
environment and on health and favours the re-use
and/or re-cycling of materials which make up the machine.
Environment
INFORMATION FOR USERS OF PROFESSIONAL APPLIANCES. The separate collection of this appliance, at the end of its life, is organised and
managed by the producer. The user who wants to dispose of this appliance must contact the producer
and follow the system to collect the appliance separately at the end of its useful life.
Environment
INFORMATION FOR USERS OF HOUSEHOLD APPLIANCES. At the end of the useful life of the appliance, the user must send it to a WEEE waste
collection centre or to the retailer when purchasing
a new similar appliance, on a one-to one basis. In
both cases make the machine unusable cutting the
power cord.
3.2. Storage
The machine should be stored according to the following
conditions:
- minimum temperature: above 5 °C;
- maximum temperature: below 45 °C;
- maximum humidity: below 80%.
The machine is packaged in cardboard and polystyrene.
Check the maximum number of containers that can be
stacked on the packaging.
4. DISMANTLING AND DISPOSAL
4.1. Instruction for end of life treatment
This product conforms to art. 13 of the Decree Law No.
151 of July 25th, 2005, “Implementation of Directives
2002/95/EC, 2002/96/CE and 2003/108/CE, regarding
the restriction of the use of certain hazardous substances in electrical and electronic equipment and disposal
of waste electrical and electronic equipment”.
The crossed-out wheeled bin symbol displayed
on the appliance and/or the packaging indicates
that at the end of its life, the product should not
be treated as a generic household waste but should be
An appropriate separate collection of the appliance for
re-cycling and disposal compatible with the environment
contributes to preventing any possible negative effects
on the environment and health and favours the re-use
and/or recycling of materials which make up the machine.
Unlawful disposal of this product involves the application of administrative sanctions in compliance with Legislative Decree no. 152/2006 and subsequent
modifications.
5. INSTALLATION AND START UP
5.1. Unpacking
Open the packaging, taking care not to damage it. Remove the machine protections and the equipment contained in the package. Take the machine out.
Warning
Do not extract the machine by holding the bag.
4
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Maintenance manual for technical assistance
nvironment
E
omponents of the packing must be separated ac-
C
cording to the materials with which they are composed and disposed of according to the waste
collection and disposal regulation in force.
5.2. Positioning
or a correct ergonomic use of the machine, place it on
F
a stable and perfectly horizontal surface, away from
water source, flames and heat. The area should be sufficiently illuminated, ventilated, hygienic, not corrosive
and/or explosive and equipped with a power outlet readily reached with the supplied power cord. Also make
sure that the place where the machine is installed has dimensions and sturdiness suitable to safely support it.
For the correct operation of the machine the following
advice is given:
- room temperature: 15 °C ÷ 35 °C;
- maximum humidity: 60 %;
. RECOMMENDED TOOLS
6
A) Foolproof Torx T15 and T20 screwdrivers
) Cross head screwdriver
B
C) Flat head screwdriver
D) Combination wrench (12 mm)
E) Insulated scissor
) Long nose pliers
F
A
B
C
D
Warning
The machine is not suitable for outdoor installation,
and should not be exposed to weather.
Warning
The presence of magnetic fields or proximity of electric machines which generate disturbances, may
cause malfunctions in the electronic control of the
machine.
Warning
With temperatures approaching 0°C there is the risk
of freezing internal parts of the machine which contain water. Do not use the machine under these conditions.
Attention
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.
E
F
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