ETNA Dorado Medium Espresso User manual

© ETNA Coffee Equipment b.v.
COFFEE TECHNOLOGIES
Instruction for use Dorado Medium Espresso

Instruction for use Dorado Medium Espresso
Manufacturer: ETNA Coffee Equipment b.v.
P.O. Box 146
7000 AC Doetinchem
The Netherlands
Distributor:
© ETNA Coffee Equipment b.v.
Articlecode: 000869446001
Status: Draft
Revision: D

Instruction for use Dorado Medium Espresso
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© ETNA Coffee Equipment b.v.
CONTENTS
COFFEE TECHNOLOGIES
1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.1 This user manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.2 Pictograms and safety symbols on the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Pictograms and safety symbols in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.4 Conventions and definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.5 Service and technical support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.6 Machine identification on outside of the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.7 Machine identification on inside of the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.8 Used Machinery and the Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.9 General safety instructions and restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.9.1 Operating and cleaning instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.9.2 Icons and instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.9.3 Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.9.4 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.9.5 Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.9.6 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
1.10 Available documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2 DESCRIPTION OF THE MACHINE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2 Main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.1 Front view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.2 Interior view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.3 Container layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.4 Operating principle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.5 Switching on and off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.6 Service key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.7 Operating the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.1 Drink selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.2 Paid drinks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.7.3 Stand by . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3 USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.1 Safety instructions - use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.2 Filling containers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2.1 Filling the container in the machine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2.2 Filling the ingredient containers outside the machine . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.2.3 Filling the bean hopper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
4 MAINTENANCE AND CLEANING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
4.1 Safety instructions - maintenance and cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.2 Perishable ingredients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.3 Service panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

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© ETNA Coffee Equipment b.v.
Instruction for use Dorado Medium Espresso
COFFEE TECHNOLOGIES
4.5 Daily maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.5.1 Checking the ingredient containers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5.2 Clean the waste container . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.5.3 Cleaning drip tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.5.4 Rinsing the mixers and brewing group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.5.5 Clean the exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.6 Weekly maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.6.1 Cleaning mixer parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.6.2 Cleaning the brewer automatically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.6.3 Cleaning brewer manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.6.4 Cleaning the bean container. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4.7 Maintenance overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
5 RESOLVING PROBLEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.1 LCD display on the selection panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.1.1 Fault messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
5.1.2 Selection panel in programming mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
5.1.3 User menu (Operator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6 TECHNICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.1 Electrical system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.2 Water system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.3 Sound level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.4 Ambient conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
6.5 Dimensions and weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

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© ETNA Coffee Equipment b.v.
COFFEE TECHNOLOGIES
1 INTRODUCTION
1.1 This user manual
Congratulations on the purchase of yourDorado Medium Espresso.
This machine has been developed and produced using state-of-the-art
technology. This, combined with the ISO 9001 certification that applies
to all our products, means you can rest assured that you are the owner
of a high quality product.
This manual is intended for authorised and trained users and contains
all the information required to operate the machine safely and to carry
out regular maintenance and cleaning tasks. Read the relevant user
manual carefully before using your machine.
☞Ensure that the user manual is kept with the machine to
ensure that all procedures are carried out correctly.
1.2 Pictograms and safety symbols on the machine
The following pictograms are used on the Dorado Medium Espresso:
• Electrical hazard
• Risk of fingers being trapped
Figure 1-1
Figure 1-2
WARNING
DISCONNECT THE
MAINS SUPPLY BEFORE
REMOVING COVER
Figure 1-3
DANGER
Follow service
procedure as
in manual.

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COFFEE TECHNOLOGIES
1.3 Pictograms and safety symbols in the manual
These pictograms are used in the manual:
General warning. Damage to the machine or personal
injury can occur.
ᏘElectrical hazard
hBurning hazard
☞Remarks, suggestions and advice
1.4 Conventions and definitions
Throughout the document, reference is made to the "left", "right",
"front" and "rear" of the machine. Where a component or specific part
of the machine is referred to, this is described from the user's viewpoint
facing the selection panel.
1.5 Service and technical support
Please contact your dealer for further information on settings,
maintenance and/or repair activities that are not dealt with in this
manual. Your dealer will be pleased to assist you.
If you contact your dealer, always have the following information at
hand:
• model number
• serial number
• software versions

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1.6 Machine identification on outside of the machine
1. Model number
2. Voltage
3. Frequency
4. Power rating
5. Serial number
6. Water pressure
The identification plate is on the rear of the machine.
Figure 1-4
Model: xxxxxxx
Voltage: a.c. xxxv xx Hz xxx kw
Water: xxx - xxx kPa
012540E1
ETNA Coee Technologies BV
Doetinchem Holland
23
6
14
5

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COFFEE TECHNOLOGIES
1.7 Machine identification on inside of the machine
1. Model number
2. Voltage
3. Frequency
4. Power rating
5. Serial number
6. Water pressure
The identification plate is on the inside of the right-hand frame plate.
Figure 1-5
Model: xxxxxxx
Voltage: a.c. xxxv xx Hz xxx kw
Water: xxx - xxx kPa
012540E1
ETNA Coee Technologies BV
Doetinchem Holland
23
6
14
5

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1.8 Used Machinery and the Environment
jAsk your local authority for information on ways to recycle
materials safely and in an environmentally friendly
manner.
aAsk your local authority for information on ways to dispose
of materials safely and in an environmentally friendly
manner.
1.9 General safety instructions and restrictions
The manufacturer does not accept liability for any damage caused by
any failure to (strictly) observe the safety instructions or by
carelessness during use and cleaning of the machine and any
associated accessories.
Depending on the specific operating conditions or accessories used,
additional safety instructions may apply. Please contact your dealer
immediately if you encounter any hazards when using the machine.
The user of the machine is fully responsible at all times for
observing locally applicable safety regulations and
guidelines.
1.9.1 Operating and cleaning instructions
• All those using and/or cleaning the machine must be familiar with
and follow the operating and cleaning instructions closely. The
owner must ensure that personnel are informed of the operating
and cleaning instructions contained in this manual and that they
comply with these regulations and instructions.
• Never change the order in which activities are carried out.
• Always keep these instructions in the vicinity of the machine.
1.9.2 Icons and instructions
The icons, symbols and instructions attached to the machine form part
of the safety instructions. Therefore, they must not be covered or
removed. They must be kept within reach and be clearly legible
throughout the entire service life of the machine.

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© ETNA Coffee Equipment b.v.
Instruction for use Dorado Medium Espresso
COFFEE TECHNOLOGIES
• If icons, symbols or instructions are illegible, ring your supplier
straightaway to rectify this.
1.9.3 Users
The daily, weekly and monthly maintenance and cleaning activities
may only be carried out by users who have received training from the
installer or owner of the machine. These individuals will be familiar with
the potential risks of opening the machine.
1.9.4 Technical specifications
• The technical specifications may not be modified.
1.9.5 Modifications
• Modifications may not be made to the machine (or parts of the
machine).
1.9.6 Intended use
The intended use1of the machine is designed exclusively for
dispensing beverages as indicated on the selection panel. Use of the
machine for any other purpose falls outside the terms of conditions of
use. The manufacturer does not accept responsibility for any damage
or injury that may result from improper use.
The machine meets current standards and directives.
• The machine may only be used in perfect technical condition for the
purposes indicated above.
1.10 Available documentation
The following documentation is available for this machine:
•Usermanual
• Technical manual
• Parts book
1. "Intended use" as meant in EN 292-1 is the application for which this technical product has
been made, as specified by the manufacturer – including references in sales brochures. In case
of doubt, use can be derived from the construction, model and functions of the technical product
the assumed normal use. Use of the product within the confines of the intended use also
includes complying with the instructions in the user manual.

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2 DESCRIPTION OF THE MACHINE
2.1 General description
This machine prepares and dispenses various hot drinks.
The drinks are dispensed in the cups intended for this purpose and
that are placed on the machine cup stand. The cups must be placed on
the cup stand manually.
The display on the machine indicates that:
• a drink can be selected
• a drink is being prepared
• a fault has occurred.
• the machine is performing a function.

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2.2 Main components
2.2.1 Front view
1. Beancontainer
2. window light
3. Display
4. Selection panel
5. Dispenser water
6. Dispenser hot drinks
7. Cup sensor
8. Cup standard (double)
9. Drip tray
Figure 2-1
6
1
3
4
5
2
7
8
9

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2.2.2 Interior view
1. Door detection switch
2. On/Off switch
3. Brewer (brewer group)
4. Dispenser nozzles
5. Waste container
6. Dispenser holder
7. Mixer parts
8. Dispensing spout
9. Ingredient containers
Figure 2-2
6
1
2
3
4
5
7
8
9

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2.3 Container layout
The various types are fitted with the following containers.
2.4 Operating principle
After a selection is made, the machine mixes water with the ingredients
from the containers to dispense the drink.
• The water is supplied via the boiler (heated).
• Instant products or liquid concentrate are dosed from the containers
into the mixer and/or the ground coffee is dosed from the grinder
into the brewer group.
• The water and the ingredients are mixed in the mixer or
compressed by the brewer group.
• The drink is dispensed through the dispenser nozzle into the cup
placed on the cup stand.
Figure 2-3
espresso 111 espresso 121 espresso 132
Machine Bean hopper Instant coffee
container
Espresso 111 1 1
Espresso 121 1 2
Espresso 132 1 3

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2.5 Switching on and off
• I pressed in = ON (switch lights up)
• 0 pressed in = OFF
2.6 Service key
Once the service key has been inserted and turned a quarter turn, the
machine is operational for repair and test purposes.
The machine contains rotating and moving parts. Ensure
that your fingers do not become trapped when work is
carried out.
Figure 2-4
Figure 2-5
Figure 2-6

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COFFEE TECHNOLOGIES
2.7 Operating the machine
The standard version of the machine has no payment mechanism. The
machine can also be optionally fitted with a payment mechanism (for
installation instructions, see the instructions for use supplied with the
payment mechanism).
2.7.1 Drink selection
All the actions needed to obtain a drink are summarized in table 2-1.
Table 2-1 Actions for obtaining a drink
2.7.2 Paid drinks
Machines, which are fitted with a payment system, are able to dispense
drinks either paid for or free of charge. When it is necessary to pay for
drinks, the available credit is displayed in the bottom right hand corner
of the display.
When a selection key is pressed, the price of the drink is shown in the
bottom left corner of the display.
If there is sufficient credit, the drink selected is prepared when the
selection key is pressed.
2.7.3 Stand by
Stand by mode is indicated by the following:
• The display shows a standby position.
Press any button to bring the machine out of stand by.
You want a drink
1. Place your beaker or cup on the cup stand
2. Select a drink by pressing the appropriate
button
3. Your drink is being prepared

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3USE
3.1 Safety instructions - use
• Inspect the machine before use and check for any damage and
defects.
Please contact your supplier if there is any damage to the machine.
• Please keep all packaging out of reach of children.
• Put the machine in a horizontal position.
• Put the machine in a location where it can be supervised by trained
staff.
• The machine is not suitable for outdoor use.
• The machine may not be used by persons (including children) with
a physical, mental or emotional handicap, or persons who have
insufficient knowledge and experience to operate the machine
without supervision or instructions, until they have been approved
by a person responsible for their safety.
• Supervision of children must be maintained to ensure they do not
play with the machine.
• Protect the machine from water and/or moisture.
• Do not clean the machine using a high pressure water jet.
• Do not install the machine in an area where a high pressure water
jet may be used.
• Keep the buttons free from dirt and grease and clean them
periodically.
• Use the machine only when the top valves are shut and all the
plates are mounted.
• Never use sharp objects to operate the buttons.
• Only use the cups and pots availabe at reception.
• Make sure that the electricity connection point (wall socket with
earth connection) and the water connection point remain accessible
during use. In case of emergency, the mains plug can then be
removed quickly and the water supply can be shut off immediately.
• When the machine is not used for a long period of time. remove the
holders, disinfect the pipes, clean the machine by hand, clean and
disinfext the mixing parts thoroughly, empty the boiler, disengage
the water supply and the electricity supply. No water should be
present in the machine or its parts.
• When you intend to use the machine after a long period of non-use,
you need to first thoroughly clean the mixing parts and the
preparation group. Place the mixing parts back where they were,
carry out the cleaning programme at least three times and fill all the
holders before using the machine.
hThe drinks prepared by this machine are very hot and
could cause burn wounds.
ᏘIn case of danger, disconnect the power supply by
removing the plug from the wall socket. Do not pull the
plug out of the wall socket by the cable.
Disregarding the above instructions can jeopardise the
safe use of the machine.

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3.2 Filling containers
The containers contain the ingredients for preparing the drinks. There
are 2 ways of filling these containers:
• by opening the top lid and filling the container in the machine;
• by filling the container outside of the machine.
3.2.1 Filling the container in the machine
1. Open the door of the machine.
2. Open the lid on the container that needs refilling. Refill the container
with the correct ingredients.
3. Close the upper lid.
4. If the container was completely empty, the supply will need refilling.
• Hold the container above the waste bucket. Turn the spindle of
the container until the ingredient runs out of it.
3.2.2 Filling the ingredient containers outside the machine
The containers hold the ingredients required to prepare drinks.
Ensure that no fingers are trapped when filling the
containers.
☞Make sure that the right ingredient is put in the correct
container.
➭See the label on the inside of the door for an overview of
the maintenance functions.
1. Open the door of the machine.
2. Open the upper lid.
3. Closes the container spout, by pushing the button until it clicks. (zie
figuur 0-1)
4. Lift the containers being filled out of the holder and pull them
towards you.
5. Fill the container with the required ingredient.
6. Replace the container in the machine in its original position. Ensure
that the coupling of the container latches onto the gear.
7. Open the container by pushing the cover down until it clicks open.
(zie figuur 0-2)
8. Repeat this procedure for the other ingredients containers.
9. Close the cover.
10.Place a 1.5 l cup under the dispensing spout.
11.Press button *00* on the service panel; clean valves = rinse mixers.
The valves will be rinsed with water. Repeat if necessary (if
applicable).
12.Close the door of the machine.
Figure 3-1
A
B

Instruction for use Dorado Medium Espresso
19
© ETNA Coffee Equipment b.v.
COFFEE TECHNOLOGIES
3.2.3 Filling the bean hopper
1. Remove the cover from the bean hopper using the key.
2. Fill the bean hopper with coffee beans. The bean hopper has a
capacity of approx.1 kg (2.2 lbs) of beans.
3. Close the bean hopper and lock it with the key.
4. Remove the key.
Figure 3-2

20
© ETNA Coffee Equipment b.v.
Instruction for use Dorado Medium Espresso
COFFEE TECHNOLOGIES
4 MAINTENANCE AND CLEANING
Accurate maintenance and in particular careful cleaning are basic
conditions for good product quality and smooth operation.
This device is designed so that the owner or license holder is able to
clean and maintain it thoroughly in a relatively short time.
☞First read paragraph 4.1 before performing any
maintenance work on the device. The maintenance work
described may only be carried out by trained and
authorised users.
4.1 Safety instructions - maintenance and cleaning
• See also par. 3.1.
• Carry out the procedures taking into account the hygiene
regulations.
• Repairs may only be carried out on the machine by trained service
engineers.
• Maintenance work on the electrical system may only be carried out
by trained service engineers with a background in electrical
engineering.
hWarning with respect to burns: parts within the machine
can be very hot.
• After cleaning or maintenance activities, the machine must not be
used until all the removed parts have been correctly reinstalled.
Then inspect and check the inside of the machine:
• The dispenser holder must be aimed at the middle of the cup.
• The ingredient containers must be correctly placed.
• The mixer components must be in the correct position.
• The waste container must be in the correct position. (if applicable)
• The brewer group must be in the correct position. (if applicable)
4.2 Perishable ingredients
The ingredients have been supplied with a use by date.
The following therefore needs to be taken into account:
• Comply with the use by date printed on the product packaging.
• Do not use ingredients, which are approaching the use by date.
• Replace any ingredients whose use by date has passed.
• Do not use opened ingredients for longer than the use by date
indicated.
• Replace any opened ingredients whose use by date has passed.
• Only use the cleaning agents referred to in the cleaning schedule
and follow the instructions on the packaging.