mastermind & digital

COMBIMAT
User instructions

version 01-06-2008
articleno: 05000000465
 Congratulations with the purchase of your Leventi oven. You could not have
made a better choice. Your work expierences with our equipment will soon
convince you thereof! This oven represents more than fifty years of
experience with optimal and problem free baking and cooking in high-tech
ovens. We are convinced that your ovens comply with your high demands.
We wish you much working pleasure with this oven.

All rights preserved.

Nothing in this edition may be copied and or made public in any way by
means of print, copy, microfilm, or any other means, without prior written
consent of Levens Cooking & Baking Systems B.V. This also applies to all
schemes and drawings.
Seen the fast development on the technical side, Leventi International B.V.
remains the right to change parts and or specifications without prior
notice.

This manual has been made with the best care. Nevertheless, Levens
Cooking & Baking Systems B.V. cannot be liable for any eventual errors in
this manual or the consequences of wrong interpretation of text and of
drawings.

Should there be a distinction between what has been mentioned in the

delivery contract and what has been described in this manual, then the text
as written in the contract will be valid.

For information regarding installations, repairs and maintenance where this

manual does not foresee, then you should contact the Customer Services
Department of Levens Cooking & Baking Systems B.V.

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 Contents

Contents 5 Programme management Mastermind 16

1 Working safely with your oven . . . . . . . . 5 5.1 Define groups and programmes. . . . . . . . 16
5.2 New group . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.1 Certifications. . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.3 Delete group. . . . . . . . . . . . . . . . . . . . . . . . . . 16
1.2 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.4 Change programme. . . . . . . . . . . . . . . . . . . 16
1.3 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.5 New programme. . . . . . . . . . . . . . . . . . . . . . 16
1.4 Removal of baking trays with products . . . 6 5.6 Copy programme . . . . . . . . . . . . . . . . . . . . . 16
1.5 High Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5.7 Delete programme. . . . . . . . . . . . . . . . . . . . 16
1.6 High temperatures . . . . . . . . . . . . . . . . . . . . . 6 5.8 View programme. . . . . . . . . . . . . . . . . . . . . . 16
1.7 Working with Booster equipment . . . . . . . . 6
1.7.1 Booster safety instructions. . . . . . . . . . . . . . 7 6 The mastermind and tag. . . . . . . . . . . . 17
1.8 What to do in case of.... . . . . . . . . . . . . . . . . . 7
6.1 What is a tag . . . . . . . . . . . . . . . . . . . . . . . . . 17
2 Brief description Leventi oven . . . . . . . . 9 6.2 Using the tag . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.3 The tag menu. . . . . . . . . . . . . . . . . . . . . . . . . 17
2.1 The oven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.4 From tag to oven. . . . . . . . . . . . . . . . . . . . . . 17
2.2 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.4.1 Copy programme to group . . . . . . . . . . . . . 17
2.3 Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.4.2 Copy tag content to group . . . . . . . . . . . . . 17
2.4 Switching on and off . . . . . . . . . . . . . . . . . . . . 9 6.5 From oven to tag. . . . . . . . . . . . . . . . . . . . . . 17
2.5 Operating the oven . . . . . . . . . . . . . . . . . . . . . 9 6.5.1 Copy programme to tag . . . . . . . . . . . . . . . 17
2.5.1 Mastermind . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6.5.2 Copy group to tag . . . . . . . . . . . . . . . . . . . . . 17
2.5.2 Digital . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 6.6 Tag maintance. . . . . . . . . . . . . . . . . . . . . . . . 18
2.6 Brief explanation food preparing . . . . . . . . 11 6.6.1 Memory status . . . . . . . . . . . . . . . . . . . . . . . 18
2.6.1 Mastermind . . . . . . . . . . . . . . . . . . . . . . . . . . 11 6.6.2 Delete programmes. . . . . . . . . . . . . . . . . . . 18
2.6.2 Digital . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6.6.3 Empty or formatting a tag. . . . . . . . . . . . . . 18
6.7 End tag sesssion without tag . . . . . . . . . . . 18
3 Quick start . . . . . . . . . . . . . . . . . . . . . . . . 13
7 User settings . . . . . . . . . . . . . . . . . . . . . . 19
3.1 Switching on . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Quick start with the Mastermind. . . . . . . . 13 7.1 Mastermind . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.2.1 Select profile and start. . . . . . . . . . . . . . . . . 13 7.1.1 Select language . . . . . . . . . . . . . . . . . . . . . . . 19
3.3 Manual control. . . . . . . . . . . . . . . . . . . . . . . . 13 7.1.2 Set date and time . . . . . . . . . . . . . . . . . . . . . 19
3.4 Quick start with the Digital . . . . . . . . . . . . . 13 7.1.3 Define start menu. . . . . . . . . . . . . . . . . . . . . 19
3.4.1 Starting preparation. . . . . . . . . . . . . . . . . . . 13 7.1.4 PIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.4.2 Starting continuous operation . . . . . . . . . . 14 7.1.5 Set display. . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.4.3 Switching off . . . . . . . . . . . . . . . . . . . . . . . . . . 14 7.1.6 Comm. port function. . . . . . . . . . . . . . . . . . . 20
7.2 Digital . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4 Working with the Mastermind. . . . . . . 15 7.2.1 Set date and time . . . . . . . . . . . . . . . . . . . . . 20

8 Preparation methods Combimat . . . . 21

4.1 Start a programme. . . . . . . . . . . . . . . . . . . . 15
4.2 Stop running programme . . . . . . . . . . . . . . 15
8.1 Various preparation techniques . . . . . . . . 21
4.3 End running programme . . . . . . . . . . . . . . . 15
4.4 Manual control. . . . . . . . . . . . . . . . . . . . . . . . 15 8.2 Preparing food in the oven . . . . . . . . . . . . . 21
4.5 Start delay of a programme . . . . . . . . . . . . 15
9 Maintenance and cleaning . . . . . . . . . . 23
4.6 Change settings during preparation. . . . . 15
4.7 Table planner . . . . . . . . . . . . . . . . . . . . . . . . . 15
9.1 Safety instructions . . . . . . . . . . . . . . . . . . . . 23
4.7.1 Default value of the table planner . . . . . . . 15
9.2 Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9.2.1 Cleaning Mastermind. . . . . . . . . . . . . . . . . . 23

3
Contents
9.2.2 Cleaning Digital. . . . . . . . . . . . . . . . . . . . . . . . 24 10.2 User errors Mastermind . . . . . . . . . . . . . . 29
9.2.3 Hold or abort cleaning . . . . . . . . . . . . . . . . . 24 10.3 System errors . . . . . . . . . . . . . . . . . . . . . . . . 30
9.2.4 End cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 24 10.4 Fatal errors. . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9.2.5 Detailed information for ACS . . . . . . . . . . . 25
9.2.6 Cleaning additionals . . . . . . . . . . . . . . . . . . . 25 11 Technical sheet . . . . . . . . . . . . . . . . . . . . 32
9.2.7 Manually descaling the oven chamber . . . 26
9.3 Maintenance of the boiler . . . . . . . . . . . . . . 26 11.1 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.3.1 Decalcifying the boiler. . . . . . . . . . . . . . . . . . 26 11.2 Location. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.4 Maintenance water softener . . . . . . . . . . . 27 11.3 Oven room space . . . . . . . . . . . . . . . . . . . . . 32
9.5 Small maintenance.. . . . . . . . . . . . . . . . . . . . 27 11.4 Measures and weight . . . . . . . . . . . . . . . . . 32
9.5.1 Change the filter of the air cooler . . . . . . . 27
11.5 Water supply and drainage . . . . . . . . . . . . 32
9.5.2 Changing the oven lighting. . . . . . . . . . . . . . 27
11.6 Environmental data. . . . . . . . . . . . . . . . . . . . 32
9.5.3 Changing the door seals . . . . . . . . . . . . . . . 28
11.7 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9.5.4 Reset after a power failure . . . . . . . . . . . . . 28

12 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
10 Error notifications Mastermind. . . . . . 29

10.1 Maintenance messages . . . . . . . . . . . . . . . 29

4
 Working safely with your oven

1 Working safely with your oven

Summary of safety risks for users

booster

General Danger Read the instruction manual

before using this equipment!
Beware of hot parts

Beware of parts with convey electric current

Beware of becoming trapped

Beware of hot steam

5
Working safely with your oven
from the partition socket. That prevents accidents. The
most critical places have been marked with the indicated
1.1 Certifications sticker.

CE conformity Check the power cables regularly. This cable should

The Leventi ovens comply with the CE-norm. This can be never be damaged,nor conducted under the furnace and
checked by means of the conformity declaration as should not cross a warm surface or should be led over
printed in the user manual. sharp edges.

1.2 Maintenance When the cable and/or the plug is damaged, don’t use
Maintenance and repairs to the ovens must be always the oven but firstly repair the faulty component by an
carried out by recognised specialists. Never remove side acknowledged electro technologist. The plug socket
panels components and other parts but always have your must easily reachable so that in need the plug can be
service done by a qualified and recognised Leventi disconnected from the power supply fast and easily.
service firm. Never put the oven in front of the socket but always
There are specific instructions for the installation of the besides the socket.
oven in the technical instruction manual. These
instructions are familiar to Leventi approved technicians. Never plunge or bring the plug or socket into contact with
A shortened version is included in this instruction water or any other fluid. When this should happen then
manual. short circuiting results are possible.
When carrying out repairs always us the original and by
Leventi provided spare parts. Should this not happen, Twinge the plug in the wall socket entirely to prevent
then there is chance on unnecessary damage to overheating and catching fire of the connection plug and
equipment. the socket.
The activities such as described in the chapter
maintenance can be carried out by the end-user. Never pull the plug from the socket by pulling at the cable.
However, the oven should always be disconnected from The connection between the plug and the cable can be
the power supply and it should have cooled down damaged as a result.
sufficiently before you start with the small maintenance.
1.6 High temperatures
Incorrect installation, maintenance and repair can result When you do maintenance on your oven, let it
in consequential damage. Leventi is not responsible for cool down sufficiently first. The heating element
this damage if the conditions in this manual are not can reach a contact temperature of 550°C and
observed. heats all components to high temperatures. Contact of
these hot components can cause burns. The most
1.3 Intended use critical places have been marked with the indicated
This oven has only been intended for activities and food sticker.
product preparations as defined in this guide. The use of
the oven for any other aim is not been permitted. You find this sticker among other things on the inner
window and on the front list at opened door. When you
open the oven door, steam can come out the oven
1.4 Removal of baking trays with products
chamber. This steam will come outside and can be very
When you remove a baking tray from the oven, it can tilt hot. This also possible when at closed door no steam in
due to the weight of the products. This can lead to hot the oven is visible. Leventi recommends oven mitts when
products, or the baking tray itself, falling onto you.
placing or removing objects from the oven. This prevents
Consider your own safety and hold the tray securely burns. You can order oven mitts at Leventi.

1.5 High Voltage 1.7 Working with Booster equipment

The oven works on an electrical current of
The Booster oven (with microwave-function) is equipped
380/415 or 220/240 Volts, depending on of
with several safety features which prevent the continued
the model. When you open the side panels for
operation of the oven when the door is open.
maintenance or cleaning then always pull out the plug

6
 Working safely with your oven
If you make use of the booster function, only do so when 1.8 What to do in case of...
there are products in the oven chamber. With an empty Fire
oven, radiation may leak outside or the oven may suffer
Bring yourself and others to safety. Call the fire
technical damage. Although the amount of this radiation
department. If you think you are able to fight the fire
falls well within international safety standards, we advise
yourself then shut off the oven immediately, disconnect it
against such use.
from the power supply. When an extractor hood has
Do not make use of the booster function when making or
been installed or connected then shut these off
amending your own cleaning programme.
immediately.

The inside of the door is equipped with a serrated metal Water nuisance
edge covered with foil. This edge ensures the closing of Water nuisance can arise by leakage or flood. Switch of
the door. Take care that this metal edge does not bend! the oven from its power source and close the water
supply. Call the Customer Services Department for
recommendations.
1.7.1 Booster safety instructions.
Power failure
The Booster function is not intended to be used
When the power shortly falls away then the motor
independently but always supports the normal
preparation process. Do not use the Booster just to security of an electric oven can become effective. This
warm a cup of water etc. prevents damage of the motor. The thermal protection
must then be reset. The settings of the oven do not
Do not use the oven if the door or door rubber is broken. change by a discontinuance of the power supply.
Allow this to be repaired by an authorised person.

Do not heat liquids and foodstuffs in sealed containers.

This creates the risk of explosion.

Use of the booster for the heating of drinks can lead to

delayed heating in which cooking can continue to occur
(even if the programme has finished). Beware of this
when removing drinks.

Liquids and drinks may not be heated in closed or sealed

containers. This prevents products from exploding.

Heating with microwaves can lead to irregular heating.

Always stir products such as drinks and baby food well
and afterwards check the temperature carefully. This
prevents the risk of burns.

When heating packaged products in the oven using the

microwave function look into the oven regularly. This is to
check for the occurrence of flames.

Boiled eggs and eggs in shells may not be heated using

the microwave function. These products explode. They
can still explode even once the heating programme has
finished.

7
Working safely with your oven

For Boosteroven only: Make a copy of this page, cut out the warnings and hang
it next to the oven in order to alert the user to the
dangers of unsuitable operation.

WARNING: Use of the booster for the

heating of drinks can lead to delayed
heating in which cooking can continue to occur
(even if the programme has finished). Beware
of this when removing drinks.

WARNING: Do not heat liquids and

foodstuffs in sealed containers. This
prevents exploding products.

WARNING: Heating with microwaves can

lead to irregular heating. Always stir
products such as drinks and baby food well and
afterwards check the temperature carefully.
This prevents the risk of burns.

8
 Brief description Leventi oven

2 Brief description Leventi oven 2.5 Operating the oven

2.5.1 Mastermind
2.1 The oven
The display is provided with push
Your Leventi furnace is a convection oven. buttons besides and under the
Mastermind screen. The function of the buttons
The operation is menu-driven. The oven has a maximum is reflected in the display and can
of 200 pre-programmed food preparation programmes. vary per screen.
You select a programmeprogramme on the operation Softkeys
panel. The functions of the keys are
Mastermind with Booster function explained in the display and can
The Combimat Mastermind type 1 can also be supplied vary! These buttons are called soft
with a patented Microwave function. This is a process keys. Sometimes symbols and
which can speed up existing preparation methods. sometimes texts are used in the
The Booster function is not intended to be used display.
independently but always supports the normal
preparation process.
Digital The symbols
The operation is manually. The meaning of the softkeysymbols are:
Move cursor to the right.

2.2 Intended use Move cursor to the left.

This oven is only allowed to be used for food preparations
as described in this manual. Using this oven for any other Scroll up
purpose is not allowed.
Scroll down.
2.3 Models
There are four different types in this range. The data of Increase the value (on the line).
the different ovens are to be found elsewhere in this
manual. Decrease the value (on the line).

Go one step back in the menu. Eventual changes

2.4 Switching on and off
will not be saved.
Switch on the main switch (at plinth below the operation
panel). Don’t show menu option.
To switch on the oven press the I-button on the operation
panel. Do show menu option.
To switch off the oven press the 0-button on the
operation panel.
With the main switch on and the I/O switch of the display The caption
will show a real time clock. Menu : start menu.
Options : possible choices.
If you need to completeley switch off the oven,then switch Ready : confirm completed name or change.
off the main siwtch off. OK : confirm character.
DEL : delete last character.
Continue : go to next screen in menu.
Back : go back to previous screen.
Start : start selected programme.
Stop : stop current running programme.

9
Brief description Leventi oven
With the softkeys, texts appear in the display of all kinds 2.5.2 Digital
of group names, product names, menu options, The display is provided with
confirmations en denials. Pressing a softkey will execute push buttons besides and
the chosen demand in the screen literally. under the screen. The function
Symbols in the display of the buttons is related to the
displays aside.
Quantity of moist in the moist phase (ml)
The symbols
Pre-heat temperature (°C) Next to the displays you find
symbols. The symbels
Oven room temperature (°C) communicate what the displays
mean.
Booster: capacity in microwave radiation in
percent.

Humidity level in percentages

Core temperature (°C) Core temperature or time (°C or hours:minutes)

programme time (hr, min, sec)

Ovenroom temperature (°C)
Delta T (difference between oven room
temperature and core temperature).
Fan speed (low, medium, high) Humidity setting (%)

Flap position
The panel has different buttons:
Increase the value (on the line).

Decrease the value (on the line).

Choose between preparation on core

temperature or time.

red button: stop, short stop

green button: start

10
 Brief description Leventi oven

2.6 Brief explanation food preparing preparation method.

2.6.1 Mastermind Preparation on core temperature

In the menus you can choose the various preparation A standard preparation method where the core
methods. Below you will find a short explanation hereof. temperature of a product is of importance.
For a more detailed description of the preparation With a humidity level of 0% you can open or close the
methods and preparation tips please go to page 17. valve. With all levels above 0% the valve will stay
automatically closed.
Always bear in mind the following table when setting the When you set the humidity level at 100% and
oven. temperatures of 100°C or lower, special cooking
techniques are started.
Table 1: settings This phase has ended when the set core temperature
has been reached.
What do you require? settings

You may also use the Booster function of the Combimat

Convection: 0-300°C and 0% humidity Mastermind Booster³ to support and speed up this
steaming (cooking control): 50-100°C and 100% preparation method.
humidity
Preparation on Delta-T
combisteam: 0-300°C and humidity < This preparation is used when the core temperature of
100% and humidity > 0%
the product is of importance. The room temperature is,
however, maximally Delta-T (Delta stands for difference,
Preheat T stands for temperature) higher than the core
The preheat phase will bring the oven to the right temperature. This will enable a slow increase of the
temperature before the products are being loaded into temperature of the core of the product.
the oven. By using this phase it is possible to achieve a This phase has ended when the set core temperature
higher temperature then necessary for the preparation, has been reached.
this will compensate for the loss of temperature whilst
loading the oven. You may also use the Booster function of the Combimat
The preheat phase will end when the set temperature Mastermind Booster³ to support and speed up this
has been reached. preparation method.
Moist phase / Steam phase Regeneration
This phase is mainly used for preparing Bake-Off Preparation method mainly used for regenerating
products. With this phase you can set a certain amount prepared dishes. By using a special moist control there
of moist (in ml) before you start the actual bake. Besides is no dehydration and loss of taste.
that you can also add Boost, when you have an oven This phase has ended when the set time has elapsed.
equipped with Leventi’s Advanced Booster Technology.
You can end this phase with a pause time. You may also use the Booster function of the Combimat
This phase has ended when the set amount of moist has Mastermind Booster³ to support and speed up this
been injected and the pause time has elapsed. preparation method.
Preparation based on time Preparation on Cook & Hold
Standard preparation method based on a specific time. Preparation method where the core temperature of the
With a humidity level of 0% you can open or close the product is of importance. The difference between the
valve. With all levels above 0% the valve will stay room temperature and the core temperature will be
automatically closed. slowly decreased to the level of the set value. This will
When you set the humidity level at 100% and enable a slow increase of the temperature of the
temperatures of 100°C or lower, special cooking product.
techniques are started. Important: after reaching the set core temperature the
This phase has ended when the set time has elapsed. oven will retain the core temperature at the set value.
This phase will only end when you end the preparation.
You may also use the Booster function of the Combimat This phase you can only use when this is the last or only
Mastermind Booster³ to support and speed up this phase of the programme.

11
Brief description Leventi oven
You may also use the Booster function of the Combimat Preparation based on time
Mastermind Booster³ to support and speed up this Standard preparation method based on a specific time.
preparation method. With a humidity level of 0% you can open or close the
valve. With all levels above 0% the valve will stay
2.6.2 Digital automatically closed.
When you set the humidity level at 100% and
Always bear in mind the following table when setting the temperatures of 100°C or lower, special cooking
oven. techniques are started.
This phase has ended when the set time has elapsed.
Table 2: settings
Preparation on core temperature
What do you require? settings A standard preparation method where the core
temperature of a product is of importance.
Convection: 0-300°C and 0% humidity With a humidity level of 0% you can open or close the
valve. With all levels above 0% the valve will stay
steaming (cooking control): 50-100°C and 100%
humidity automatically closed.
When you set the humidity level at 100% and
combisteam: 0-300°C and humidity <
temperatures of 100°C or lower, special cooking
100% and humidity > 0%
techniques are started.
This phase has ended when the set core temperature
has been reached.

12
 Quick start

3 Quick start 3.3 Manual control

You can set the oven to manual controls.
3.1 Switching on Choose menu / manual control
Switch the oven on by using the main switch.
The main switch can be found on the bottom right hand
side of the oven. select menu / manual operation
The display will now show a clock.
To actually start working with the oven you should press Choose the preparation method
the I-button (below) on the operation panel. Set the desired values
Press Start.
Important: When you have an oven equipped with a boiler manual operation
then the boiler may be rinsed. This can take several set preperation
minutes and is necessary for a good operation of your
oven. The rinsing will be indicated in the display with the
needed time. After the rinsing you can start working with - 00:00:00 +
the oven.
When the previous session with the oven has been
ended in the cleaning cycle by switching the oven off, then
- 180
-
+
the oven may start a rinsing cycle first. This is to prevent
that there are chemical residues still present in the oven - 60 +
chamber when you start the preparation.

3.2 Quick start with the Mastermind

- 20 +
extra start

3.2.1 Select profile and start

The oven will always come up with the selection menu of
the various groups in the illuminated display on the
operation panel. Should you loose your way in the
computer, then press the red stop key as many times
3.4 Quick start with the Digital
untill you return in this screen.
select product group 3.4.1 Starting preparation

Choose with between

vegetables bake-off preparation on time or on core

temperature.
The display will (depending on your
choice) show you a time (0:00) or a
temperature (000).

Set the desired values for temperatures, time (or core

temperature) and humidity by using and/or
Start the preparation with the green start button.
menu
Caution: when it is important to preheat the oven before
you load the products in the oven, then preheat the oven
on the desired temperature by using time preparation
before actually loading the oven.

Select the product group of your choice.

Start the oven with the settings for the product you want
Select the profile of your choice.
to prepare.
Press the green start button.

13
Quick start

3.4.2 Starting continuous operation 3.4.3 Switching off

It is possible to let the oven work continuously. Act as To switch off the oven you press the 0-button on the
follows: operation panel. The clock will remain in the display.

Set the desired temperature. When you want to disconnect the oven completely from
Keep the preparation time on 0:00. the power supply then you also switch off the main
Then press start. switch. The mainswitch can be found on the bottom right
hand side of the oven.
The oven will now work on continuous preparation until
you press stop.
Timer during continuous preparation.
During the continuous preparation you can start the
cooking timer.
Act as follows:
Set the timer by using and
The set time will start counting down immediately.You do
not need to confirm your setting.
When the set time has expired then an acoustic signal
will sound.
The oven will operate continuously on the set
temperature. The time setting can be used again.

14
 Working with the Mastermind

4 Working with the Mastermind 4.6 Change settings during preparation

During preparation you can change the settings.
4.1 Start a programme
Choose the desired group. choose options / correction
Choose the desired programme.
Press the green Start button. Increase the value of (for example) the temperature (on

the line) with or decrease with

4.2 Stop running programme Confirm the settings by pressing OK.
You can stop a programme to resume afterwards, by
pressing the red stop button or 4.7 Table planner
During the preparation (also for manual control) you can
choose options / short stop
activate the cooking timer (table planner). With this
option you can set the cooking time for a product, plate
or tray in the oven. The table planner consists of eight
4.3 End running programme different independent cooking timers which you can start
You can completely end a programme, by pressing the during a preparation.
red stop button for three seconds or
choose options / table planner
choose options / stop
Now you can set eight different cooking timers
Confirm your choice. Select the desired cooking timer
Set the desired time
Press Start
4.4 Manual control
Select in this way multiple cooking timers at your own
You can set the oven to manual control. desires and set the preferred cooking times for each
product, dish, or tray.
choose menu / manual operation
You should remember yourself which timer corresponds
Choose the desired preparation method to which product, plate or tray.
Set the desired values
Press start 4.7.1 Default value of the table planner
You can set all cooking timers at the same value. When
4.5 Start delay of a programme you are preparing the same products with the same
ou can also use a start-delay function on a programme. preparation time (eg. 5 min. 30 sec.), this can be an
Select the desired programme interesting option for you.
Start the table planner during preparation and
choose start-delay
choose options / set default time
Set the time and date on which you want to start the
preparation Set the default time and confirm your settings.
Confirm your settings

15
Programme management Mastermind

5 Programme management When you change a phase:

Mastermind Choose the preparation method you want to change.
Or Choose just to change the settings for the phase with
retention of the preparation method.
5.1 Define groups and programmes Important: Cook & Hold is always the last phase of the
The programmes (preparation programmes) are divided programme. The computer will ensure this condition.
into groups. This will enable you to allocate the
programme to the right group and find the programme
5.5 New programme
of your choice easier.
The programme management can be protected by a
PIN. This will prevent that untrained or non authorised select menu / programme management / new
persons can change your programmes. programme

5.2 New group Choose the group.

Set a new name.
The computer contains a maximum of eight groups. As
Names that already exist in the computer are not
long as the maximum has not been reached you can add
allowed.
new groups.
Enter a maximum of six different phases for the new
programme.
choose menu / programme management / new group

5.6 Copy programme

Set the name of the new group.
Act as follows: Programmes can be copied under another name. This
Use the arrows left and right of the letter and number can be used to quickly copy a similar programme. This
ranges to select the desired characters and form a often goes faster than creating a whole new programme.
name.
Confirm your choices with OK. choose menu / programme management / copy
When the name is ready, confirm this with ready. programme

Tip: the space can be found at the end of the number

range only. 5.7 Delete programme
Programmes can be deleted
Group names that already exist are not allowed.
select menu / programme management / delete
5.3 Delete group programme
You can delete groups only when the group does not
contain any programmes Select accordingly the group and then programme you
want to delete.
choose menu / programme management / delete
group 5.8 View programme
To view a programme use the Change programme
option without actually changing values or settings.
5.4 Change programme
choose menu / programme management / change
choose menu / programme management / change programme
programme
Choose the programme you want to view.
Choose the programme you want to change Choose to change a phase.
You can change the name, add a phase, delete a phase Choose just to change the settings for the phase with
or amend a phase. retention of the preparation method.
Leave the menu without changing.

16
 The mastermind and tag

6 The mastermind and tag • Move programmes from the tag to the oven.
• Move programmes from the oven to the tag.
6.1 What is a tag • Check the tag content
The tag is a memory card. On this tag you can save up to
• Inform that you are ready in the tag menu.
40 programmes,take them with you to another oven and
save them there. This is rather easy for people who work
on several locations and still would like to use their own 6.4 From tag to oven
way of working
6.4.1 Copy programme to group

6.2 Using the tag

choose from tag to oven / programme to group
To use the tag, you should hold this next to the tag sign
on the operation panel. If you hold it left of this sign Select the group.
Select the programme you wish to copy.
then the oven will automatically recognise the presence
Select the group you wish copy the programme to.
of the tag.
Important! Take the following rules into account.
6.4.2 Copy tag content to group
• Before you can replace the programmes you need to
hold the tag in front of the sign long enough. choose from tag to oven / tag content to group
• Consequently follow all actions that you wish.
• For closing you need to hold the tag in front of the sign Choose the group you wish to copy the tag content to.
again and choose ready.
• You cannot make a group division on the tag. 6.5 From oven to tag

• When you remove the tag too soon during starting up 6.5.1 Copy programme to tag
or closing down of the tag-session the oven will inform
you hereof, then it will ask you to place the tag in front choose from oven to tag / 1 programme to tag
of the sign again.
• You cannot change programmes on the tag. Select the programme.
• To work with a tag, you should first copy the Select target group.
programme to a group in the oven. Confirm your choice.
• For specific actions there is a double check if the
The programme will be copied to the tag unless the
name already exists, if this is the case then it will
inform you hereof. name already exists. In this case you need to change the
name of the programme in the oven first, or delete the
• When you place an unknown tag in front of the oven, programme with the same name on the tag.
then you have the option to format the tag.
Select the next programme you want to copy to the tag
6.3 The tag menu or return to the main menu by pressing Stop.
In the tag menu you can choose the desired actions.
You can:
6.5.2 Copy group to tag

choose from oven to tag / group to tag

Choose group to which you want to copy the group.

17
The mastermind and tag

6.6 Tag maintance

6.6.1 Memory status

You can check how much memory there is left on the tag.

choose tag content / memory status

The oven will show the number of programmes on the

tag and how many programmes you can still add.

6.6.2 Delete programmes

You can delete programmes from the tag.

choose tag content / delete programmes

Select the programme you wish to delete and confirm

your choice.
Select the next programme you wish to delete or return
to the main menu by pressing the stop button

6.6.3 Empty or formatting a tag

You can empty the tag in one go.

choose tag content / empty tag

6.7 End tag sesssion without tag

You can end the tag session without keeping the tag at
the tag sign.

choose ready / no

There will be a message that the tag session will be

closed without updating the tag.

18
 User settings

7 User settings With this button right next to it on the operation

panel you select the programme or group to be
As a user you can set the oven to your own desired shown in the display of your own start-up menu.
settings. This menu has been protected by a pincode. The name will be shown inverted if selected.

7.1 Mastermind With this symbol you will deselect the choice. The
text will be shown regularly again if deselected.
7.1.1 Select language
There are three languages in the oven.When you choose Tip: Sometimes it can be usefull to show only one product
for one of these languages, then all display and menu in the choice menu, then you are sure that the one
options will appear in the selected language. The names operating the oven will always make the right choice.
of programmes will remain unchanged!
7.1.4 PIN
choose menu/ settings menu/ display language Factory settings
The PINcode has been set as a standard at 0000.
Choose the desired language. Forgot your PIN?
The oven confirms your choice (in the new choosen
When you forgot your PIN then call the Customer
language).
Services department.
Return to the menu with Back (red button).
Enter PINcode
7.1.2 Set date and time Some menus have been protected with a PINcode to
The date and time in the display can be changed to your prevent unintended use. The PINcode is made up out of
local preferences. 4 digits from 0 to 7.

select menu / settings menu / set date and time With a correct entering of the PINcode you will granted
access to the desired menus.
Change the date and time. When you enter a wrong PINcode you are able to enter
Confirm your changes. the right PINcode or you leave the menu.
The oven will reconfirm your changes. Change PINcode
Return to the menu with back.
You can change the PINcode
7.1.3 Define start menu
choose menu / pincode / change pincode
By switching on the oven, it will show a start up menu,
standard a group choice menu will be shown. This start
Enter the new PINcode by using the keys next to the
up menu can be set to your desires.
display
You can select the following choice menus:
Repeat this
• Standard (all groups). You will return in the menu.
• 8 last chosen programmes. When you do not repeat the correct PINcode, then you
start to enter the new PINcode again.
• 8 most chosen programmes.
• Self selected programmes. To stop changing the PINcode you press stop.
• Self selected groups. Disable PINcode
When you desire not to use a PINcode in all menus then
choose menu / settings / define start menu you set the PINcode one time at 1111. In this case the
user menus will not be blocked by a PINcode and all users
can access these menus.
Choose the desired option in the choice menu
(PINcode 1111 will disable all PINcodes!)
Follow the instructions on the display and set the menu
By chosing another value the PINcode will be activated
again.
Per group or programme you will find the following
symbols:

19
User settings

7.1.5 Set display 7.2 Digital

The contrast and backlight of the display can be set. This
7.2.1 Set date and time
will enhance the readability of the screen to your own
specific situation and location of the oven. The date and time showed in the display can be set
differently.
choose menu / menu settings / set display Hold the two -buttons as indicated
simultaneously for three seconds.

Then use and to alter date and

7.1.6 Comm. port function time.
The oven’s communication port has various functions.
Select the correct function. Confirm the new date and time with the green start
Select menu/ settings menu / comm port function button.
Profile Composer: to load baking programmes into the
oven.
Scrolling display: for the automatic switching on of the
scrolling display
External Data Logging: for the storage of HACCP-
information. An external receiving computer or laptop is
required for this.

20
 Preparation methods Combimat

8 Preparation methods Combimat Temp (°C) C D When using

Cook&Hold the
core temperature
8.1 Various preparation techniques temp set A
of the product is of
The basic techniques for the preparation of food in the
importance. See
oven are: figure 1.
core set
Convection B The oven will be
Convection is the preparation of products in hot dry air. preheated after
This means a humidity level of 0%. the start up
time (dotted line A) to
Steaming figuur 1 Graphic Cook & Hold plus
the set room-
When products are prepared in dry, very moist air this is temperature (C).
called steaming. This means a humidity level of 100%. In the mean time the core temperature (line B) is being
Combisteaming measured. When that starts to rise (the product is
getting warmer), the oven chamber temperature will be
When products are prepared in dry, moist are then this
slowly led down. After a while the core temperature will
is called combisteaming. This means a humidity level
reached the desired and set value (point D). From that
from 10 to 90%.
moment on the temperature in the oven chamber will be
Booster function kept constant. This process doen’t end.
The booster function supports the stated preparation
Delta T
method and can speed up the process by the addition of
When using Delta T the core temperature of the product
energy via microwave radiation.
is of importance. The oven temperature will be held at a
user set temperature difference (delta T) above the core
Always bear in mind the following table when setting the
temperature.If the core temperature rises 1°C, the oven
oven.
room temperature will rise the same value.
Table 3: settings This process ends when the the core temperature
reaches the set value.
What do you require? settings
Core temperature
Also with the preparation with the core probe the core
Convection: 0-300°C and 0% humidity
temperature of the product is of importance. The
steaming (cooking control): 50-100°C and 100% product will be heated until the desired/set value has
humidity
been reached. At that momen the oven will stop and will
combisteam: 0-300°C and humidity < confirm that the product is ready in the display.
100% and humidity > 0% When your oven is not equipped with a core probe
sensor then you can also use this method with a
8.2 Preparing food in the oven separate core temperature probe, however you should
set the temperature of the oven chamber yourself.
Regeneration (Mastermind)
Regeneration is the process of reheating products with Baking
the aid of, convection/steam/ combisteam. The steam Meat and fish that require a short preparation time and
percentage can be set in such a way that products can an intensive coloring of the skin can best be baked at
be rethermalised without dehydrating. 180-250 °Celcius.
Operation:
Cook&Hold (Mastermind) Cover the products that you want to bake with browning
butter and add herbs. Cream butter for the taste is best
to be used after the preparation process.
You can simultanuously brown on both sides when you
use special silicone mats, then you donít need to turn the
product during the bake. The breaking of flat fishes will
also belong to the past this way, as the mats are flexible.
Also the most patisserie products can be baked best

21
Preparation methods Combimat
with convection heat. between 230 and 250° Celcius. The optimalised air
circulation in the oven chamber will grill the product on all
Grilling
sides.
The combimat is perfectly suitable to grill products. This To enhance the grill effect, you should preheat the oven
is mostly done at convection (however preparation on
and the grills at 250° Celcius. The grills will give the
combisteam may result in even better end results). products the remarkable brown stripes.
Combigrilling.
This preparation technique is the most valuable power in Gratinate
your kitchen. Combigrilling uses steam and convection at Gratinating is giving the finishing color of the products.
the same time. Both techniques stimulate eachoter. This is done by using convection.
By high temperatures you can add steam to keep the
Stoving
product more moist. An example of this is gratinating
Stoving is possible in one continuous operation in the mashed potatoes.
Leventi Combimat. You enable steam and convection.
You only have to add the sauce afterwards.
Cooking, steaming, and poaching
The steam boiler or the direct injection system of the
Leventi Combimat will supply you with sufficient steam for
steaming or poaching of products.
By also enable convection during cooking and steaming
much time can be gained. By enabeling convection the
oven will be drier, please keep this in mind.
When you cook or steam a lot (eg. Vegetables and
noodles) then a boiler equipped machine will be
preferable choice. This means a humidity level of 100%
and a temperature of 100 °Celcius or lower.
Grilling
In the Leventi Combimat you can grill perfectly. You place
the products on grills. You set the oven on convection, .

22
 Maintenance and cleaning

9 Maintenance and cleaning supply at hand that you can easily use to clean or rinse
the oven chamber with. Ask your dealer for more
This chapter is divided into Safety Indications, Cleaning information about the Leventi handshowers.
and Small Maintenance.
There are various configurations with or without Fat
9.1 Safety instructions Separator, Soap Pump or Circulation Pump. This has
consequences for the operation of the operation of the
Maintenance and repairs on the ovens should always be
system.
done by recognised specialists. Therefore never remove
Therefore follow the instructions in the display of the
side panels, parts and or other items, but always use a
oven accurately.
recognised service firm.
The technical manual contains installation instructions
The total cleaning process will last about 1.5 hours. The
which must be strictly adhered to.
water consumption is about 20-25 liters of water and
When carrying out repairs only the original Leventi parts
80-400ml of cleaning detergent and 30ml of polishing
should be used. When this does not happen then there is
detergent. All depending on factors such as
a chance of unneccesary damage to your equipment.
waterpressure and the chosen intensity.
The activities such as described in the chapter
Maintenance may be carried out by the user. However 9.2.1 Cleaning Mastermind
the oven should in this case always be taken of the power
supply, and should have cooled down sufficiently.
For more safety information see the Chapter Working choose menu / cleaning / total cleaning
safely with your Quadro.
Read the indications on the packaging and on the Only for systems with a soap pump
security sheets that have been delivered with your oven The oven will check if there is sufficient cleaning
and the cleaning agents you use. detergent present for at least one cleaning cycle. When
the last cleaning cycle has been reached, the oven will
Ignoring the conditions in this manual can lead to serious indicate this in the display. Should this happen then
damage. Leventi is not responsible for this damage if the change the empty Safepack with the cleaning fluid for a
conditions in this manual are not observed. new one. (specifications available at Leventi)
Set the desired cleaning intensity with and/or and
9.2 Cleaning
Cleaning and decalcify agents
Confirm your choice.
You should always use the cleaning agents as prescribed
by Leventi. Read the indications on the packaging and on Only for systems with Fat Separator
the security sheets that have been delivered with your The oven will ask you to empty the fat separator. Empty
oven and the cleaning agents you use. the fat separator. See for help page 25.
Then press Ready to start cleaning.
General instructions
NEVER clean the oven with a pressure washer.
Consequently the oven will go through a cleaning cycle.
During the cleaning chemicals are active.Therefore keep
NEVER use abrasive materials or sponges or brushes to the door closed during this process!
clean the oven. This results in irreparable damage to the
oven. Warming up or cooling down
In the first phase the oven will be warmed up or cooled
After the preparation of products containing (high down to the correct cleaning temperature.
amounts of) salt, such as fish and seafood, the oven must
Only for systems with a circulation pump or no
be cleaned or thoroughly rinsed. This prevents deposits
pump
and corrosion from the chloride elements in these
The oven will ask you to spray the cleaning fluid in the
products.
oven. Open the door of the oven and poor half a liter of
Option handshower cleaning fluid on the bottom and the inside walls of the
Leventi can deliver the oven with an optional handshower. oven. Then close the door.
When you use a handshower you will always have a water

23
Maintenance and cleaning
The oven will go through a number of steps within the C5-9: Cleaning
cleaning process.There will be alternatingly cleaned (with The display shows the text C5-9.
cleaning fluid) and rinsed. Consequently the oven will go through a cleaning cycle.
End cleaning cycle During the cleaning cycle chemicals will be active.
Therefore leave the door closed!
At the end of the cleaning cycle you open the door and
rinse the oven chamber with a handshower. As soon as C6-9: Rinsing
you close the door after the rinsing, then the cleaning The display shows the text C6-9.
process is finished. The oven will go through a couple of steps within the
cleaning process. Alternating there will be cleaning (with
9.2.2 Cleaning Digital cleaning detergent) and rinsing.
Press simultaneously both and C7-9: Manually rinsing
for 3 seconds. The oven shows the text C7-9.
At the end of the cleaning cycle you will open the door and
spray the oven cavity with the hand shower.

Also clean the door rubber properly. Ensure that no

cleaning material remains on the rubber. This greatly
Only for systems with a soap pump prolongs the life of the rubber.
The oven will check if there is sufficient cleaning deter-
C8-9: oven switch off
gent present for at least one cleaning cycle. If not the
If you take too long to open the door, rinse and close the
display will show the code CE-1.
door in the C7-9 situation (> 15 min), the oven will switch
itself off. This function was introduced in order to allow
Should this happen then change the empty Safepack with
the user to go home after beginning the cleaning
the cleaning fluid for a new one. (specifications available
sequence. Switch the oven off and on with the I/O and
at Leventi). The display will then show CE-2.
follow the instructions (C7-9).
Press Start to continue.
C9-9: Clean and finish
C1-9: Set the intensity
As soon as you close the door after the rinsing, the
The display will show the text C1-9.
cleaning will be finished.
Set the desired cleaning intensity by using and en
and confirm your choices by pressing the start button. 9.2.3 Hold or abort cleaning
C2-9: Empty fat separator C0-0: Short stop
Only for systems that are equipped with a fat separator. To shortly pause the cleaning, press stop.
The display will show the text C2-9. Press start to resume the interrupted cleaning process
Empty the fat separator. See for help page 12. Then (at the beginning of the phase).
press the green start button to start the process.
9.2.4 End cleaning
C3-9 Heating up or cooling down To end the cleaning, press Stop.
The oven will warm up or cool down to the cleaning Choose End to end the cleaning (via a rinse phase).
temperature.
The display will show the text C3-9 and will indicate the The oven will rinse away any eventual leftovers of the
temperature. cleaning detergent.
Caution:NEVER open the door during the rinsing process
C4-9: Poor in detergent
(see display).
Only for systems with circulation pump or without pump.
The oven will flush out the remains of the cleaning
The display will show the text C4-9.
detergent. Important: NEVER open the door during the
Open the door of the oven and poor half a liter of
rinsing cycle (see display).
detergent over the bottom and the side walls of the oven
cavity. Then close the door.

24
 Maintenance and cleaning

9.2.5 Detailed information for ACS Do not forget to clean the filter in the fat separator. For
Safety instruction cleaning detergent the Type 4 also clean the fine filter.

• The cleaning system uses a special cleaning 9.2.6 Cleaning additionals

detergent. Other brands or sorts are not suitable.
Cleaning the stand and trolley
• The cleaning detergent is a slightly perfumed, caustic The stand and the trolley should be cleaned every week
substance and contains substances that are harmfull
by using a detergent and hot water.
for your health.Therefore follow the indications on the
packing closely. Cleaning the extractor hood
• The cleaning fluid can cause serious burning wounds. The extractor hood should be cleaned every week by
When touched by skin or eyes rinse with abundant using a detergent and hot water. Do not forget to also
water. Do this immediately and ask a general clean the grid of the extractor hood.
practicioner for medical advise.
Cleaning additionals
• Keep the cleaning fluid out of reach of children. Aluminium baking trays should be cleaned with hot water
• When you spill cleaning fluid on your clothes then take and detegent only. Important: NEVER use Ovenrein on
them off and rinse these immediately with abundant aluminium parts (baking trays, frying trays etc.) Should
water. you do this regardlessly then these parts may rust.
• Always make sure you have suitable plastic gloves
and protection for your eyes when you are working Grills and innerracks can be cleaned with Ovenrein. Then
with cleaning agents. they should be rinsed thoroughly with hot water. Place
grills and innerracks in the oven during the cleaning
• Treat empty packages as chemical waste.
process. This will save you time!
Silicone mats should be cleaned with a plastic dough
scratcher, every now and then you can also clean them
• When the Safepack with cleaning fluid is getting
empty there will be a notification in the display. with hot water and detergent. Always rinse them off with
hot water! Be carefull to never fold, incise or cut silicone
You can order the cleaning fluids at the Customer mats!
Services Department.
Cleaning the drain grating
Change Safepack The drain grating on the bottom of the oven can be simply
Read the indications on the packing removed by turning it, then you can simply clean it with
Use special gloves hot water and detergent. NEVER remove this part during
Place the safepack outside the stand the cleaning of your oven, this to prevent that your drain
Remove the empty safepack will be clogged by dirty water or large residue.
Open the new and full safepack
Save the closing cap! Cleaning drain
Attach the suction pump to the safepack It is recommended to directly flush the drain with
Place the full safepack back in the stand abundant hot water after the preparation of products
that contain a lot of fat. You may add Leventi Ovenrein to
Empty fat separator the water which gives a cleaning effect.
Put a 10 liter bucket under the tap of the separator When the oven has already cooled down, then the fat in
Turn the tap of the fat separator to the open position and the drain may have already coagulated. Then it will not
let the water out of the fat separator drain into the possible any more to remove this fat with hot water.
bucket Important: with this treatment the water in the drain may
Open both closing clams of the fat separator be hot (85° Celcius)!
Slide the fat separator gently forward Then you need to unscrew the backside of the drain
And let the last bit of water drain into the bucket system on the oven and clean it from there.
Turn the tap to closed position
Option: when you want to clean the fat separator Necessity
completely, then you can remove this from the stand Regularly cleaning the oven is necessary to prevent it
Important: be carefull with the closing gasket of the fat from getting dirty, and will ensure the smooth operation
separator of your oven.

25
Maintenance and cleaning
Time saving: when you clean the oven on a regular and
daily basis, then it will never get too dirty and the cleaning Also applicable here: when you regularly decalcify your
process can be done in a jiffy. oven then this will never happen as a surprise during
busy opening hours.
9.2.7 Manually descaling the oven chamber
Starting up decalsifying of the boiler
This chapter is mainly of use when you have an oven that
With the Mastermind:
is equipped with a direct injection system. With these
ovens there may be a calcium residue (white) on your
oven chamber depending on the degree of your water. choose menu / cleaning / decalcify boiler
This can be removed as follows:
Clean the oven as described in this manual. With the Digital:
Let the oven cool down to maximally 60° Celcius Press simultaneously both and
Let the oven steam for 15 minutes at 60° Celcius as indicated in the figure for 3 seconds
Then spray the oven chamber abundantly with Leventi
Ontkalker (decalcifier) and leave this for about 20
minutes to work.

TAKE CARE: ensure that you do not spray the door The oven will start up the decacifying programme.
sealing with de-scaler! This greatly prolongs the life of the
door sealing. The boiler will be flushed after a cooling down period.
The masterfy will notify this, the Digital shows the code
Then let the oven steam for 30 minutes at 100° Celcius B1-4.
Clean the oven after the cleaning program by using a
handshower and or a moist cloth in order not to leave any
chemical residue behind. Also clean the door rubber! Then follow the instructions in the display. The oven will
ask you to insert the decalcifier in the boiler.
9.3 Maintenance of the boiler The Digital shows the code B2-4.
This chapter is only applicable when your oven has been
equipped with a boiler.
Flushing the boiler
The boiler will be automatically flushed when the oven is
turned on. The computer will decide itself if this is
necessary. The flushing cycle will only take a couple of
minutes. When the oven is too hot then it needs to cool
(the boiler) down first.

9.3.1 Decalcifying the boiler

Depending on the use and the degree of your water the
boiler needs to be decalcified. On average this needs to
be done once every two weeks (with a maximal water
degree of 3°dh). The oven will indicate when this needs to
be done. Poor the indicated amount of Leventi Ontkalker in the
opening on the right hand side of the oven. Use a funnel
The Mastermind will show the message that the boiler to poor in the decalcifier.
needs to be decalcified. Then press continue.
The Digital showa the code B1 The Mastermind notifies that the process is running, the
Digital will show the code B3-4.
You decide when you want to decalcify the boiler
(preferably at the end of the working day in respect to the The decalcifying process takes approximately eight
time this process takes).But you should decalcify as soon hours. It is recommended to plan this in at the end of the
as possible.

26
 Maintenance and cleaning
day. You do not need to stay with the oven during this Close the lid G
process. You can easily go home. Turn the tap C back (left,
When the decalcifying is ready, then all functions are according to the arrow).
switched off. There will be salt water
The mastermind display will be empty. coming out of hose F
The digital will show B4-4. Wait for 2 hours.

You can switch on the oven again by pressing the I-0

button on the display. When the decalcifying process has 3
been started,the whole programme needs to be followed
Turn tap D back (left,
to the end.
according to arrow).
4 The water softener is ready
9.4 Maintenance water softener for use.
Leventi advises to always apply a water softener. This will
prolong the lifespan of your oven (and particularly the
boiler versions).

When you have connected your oven to a water softener,

then on average this should be descaled at least every
two weeks to ensure a proper working. Therefore follow Salt type: the salt will be used during the rinsing process
the operation manual of your water softener. to clean the water softener. The salt should never be
present during normal use. Therefore use the two hour
Flushing the manual water softener
period (50 liters of flushing water). After the rinsing
Below text is a short manual for the manual water
period the water coming out of hose F SHOULD be sweet
softener.
tasting.
Important: NEVER remove the resin grains in your water
softener! 9.5 Small maintenance.

9.5.1 Change the filter of the air cooler

During the rinsing process
there is no water The filter is located
1 connection to the at the shaft under
connected machine. the operation panel.
Keep this in mind. This shaft contains a
A C filter for cooling the
E Hang the end of the hose E
in a bucket. air in the technical
Hang the end of the hose F area of the oven.
B D
in a drain. This filter should be
F
cleaned regularly. Check this filter at least every two
F
weeks.
Turn the taps C and D (in
1k
G the direction of the arrows). 9.5.2 Changing the oven lighting
BR g
OX
There will be water Type bulb, 12V,
O H
pressure on hose E (max 2 20W,
liters). max.res.300°
Celcius,
Open the lid G beamangel 38°.
2 Fill the water softener with Article code:
one to one and a half kilos of 05001232000
salt.

27
Maintenance and cleaning

9.5.3 Changing the door seals • Remove the old door seal.
A door seal will ensure a good closure between the door • Make the dent where the door seal fits in clean of
seal and the oven cavity. The door seal is subject to wear dust and any other residue such as kit.
and tear. When you replace the seal then act as follows.
• Then you apply a small quantity of kit in the lower
Advise: poke a couple of holes in the rubber (in the back corners. Small tubes are available under article code:
that you use to put into the oven). This prevents the 05001086000.
sticking of the door seal.
• Start in the left upper corner. Press the corner.
Stretch the rubber out to the right above corner and
also press this.
• Then press the rubber in the two upper corners.
• Also stretch the rubber out to the left below corner
and also press this.
• Continue this operation until it fits everywhere.
• Then also press the doorseal firmly with a hard but
blunt object.

9.5.4 Reset after a power failure

You should never do this yourself. Let a specialised
service technician do this. In the switch board there are
many buttons and other parts which are under high
voltage. Wrong actions may lead to life threatening
situations.

28
 Error notifications Mastermind

10 Error notifications Mastermind 10.2 User errors Mastermind

A user error will occur when you try to do something that
Error notifications will appear in the error screen the oven is not capable of doing or is not allowed to do.
accompanied with an accoustic signal. For example you cannot ad a phase after the Cook&Hold
Mastermind phase. The oven will remind you hereof.
For all errors please follow the instructions in the display. Table 5: Error Notifications
Digital
Report Error situation
The Digital shows error codes only. Decide with help of
the tables in this chapter what to do. There are no programmes There are no programmes in
Always confirm error notifications with the green button. available the group

There are no groups available There are no groups

Here you will find an overview of the most common
errors. Maximal table planner / Maximal time that can be set
cooking timer time is 99
minutes
10.1 Maintenance messages Memory is full U wants to add a group or
programme whilst the memory
Table 4: Various messages is full

There are no groups There are no groups

Report in the display What’s happening
There are no programmes There are no programmes
b1 Boiler needs to be descaled boiler needs to be
descaled asap Programme name already Name programme already
exists exists
b2 Boiler needs to be descaled At next start boiler will be
descaled Group name already exists Name group already exists

CE 1 cleaner empty cleaning detergent is Important: core temperature U define phase core
finished. low in respect to previous temperature after a phase with
phase. This may result in a higher temperature
C?-9 various All C-codes are related to problems. (therefore core already has the
cleaning. temperature)

C8-9 various Switch oven off and on. PINcode not twice the same Re-enter the PINcode
See manual for
instruction on cleaning. Keep the tag in front of the sign Tag is being removed too soon
until the notification appears during reading
b?-4 various All B-codes are related to that you can remove the tag
descaling of the boiler
Keep the tag in front of the sign Tag is being removed too soon
until the notification appears during writing
that you can remove the tag

Tag memory is full Tag full

Memory oven is full Computer memory is full

Tag is being removed too soon Keep the tag in front of the sign
during reading until the notification appears
that you can remove the tag

Cook&Hold is only possible as Cook&Hold cannot be used as

last phase an intermediate phase

Starting of the programme is Close the door and start over

not possible when the door is again
open Starting with an open door is
not possible

29
Error notifications Mastermind

Table 6: System errors

10.3 System errors Report in the screen What should you do

There can be system errors in the oven. When for 136 No polishing material Replace Safepack
example the core probe has been damaged by placing it
137 Door opened during water Close door several
between the door, the notification will appear that you check seconds after pushing
cannot use the core probe any longer. Programmes start button
such as Delta-T and Cook&Hold cannot be used when
139 Pumping empty of boiler Pumping empty of boiler
this occurs. unsuccessful. unsuccessful.
Check pump and drain
Table 6: System errors
140 Internal error: programme Quickest solution: delete
not correct baking programme and re-
Report in the screen What should you do program.

102 Core probe damaged. Only You can continue to work,

preparation without core however without the core 141 Internal error: programme Quickest solution: delete
probe. probe. not correct baking programme and re-
program.
107 Boiler damaged.When this You can continue to work.
occurs again call the When this occurs again 777 A system error occured. Press the green button
Customer Services. call the Customer Services Confirm to go to
mainmenu.
108 Condensor does not work You can continue to work.
properly. When this occurs When this occurs again
again call the Customer call the Customer Services 10.4 Fatal errors
Services
Fatal errors will occur only seldomly, but will have as an
109 No climate control You can continue to work effect that due to an internal error the oven will no longer
possible. Check the water but possibly without
supply. Advise do not cook. humidity programmes. Call
be able to function properly. When such a fatal error,
Call the Customer Services the Customer Services then follow the instructions on the screen.
110 Valve is not functioning When this occurs again
properly. Call the call the Customer Services Always try to restart the oven before calling Leventi
Customer Services Service.
111 Oven is heating too slow. You can continue working
Call the Customer Services but report this to the
Table 7: Fatal errors
Customer Services
No Notification in the screen
117 Booster does not work Re-start oven or continue
to work without booster. If 103 Security overheating active. Call the Customer Services
this recurs call service. Department.

116 Boiler is not filling. Check You can continue to work. 104 Security overheating active. Call the Customer Services
the water supply. When When this occurs again Department.
this occurs again call the call the Customer Services
Customer Services 105 Security overheating active. Call the Customer Services
Department.
120 Programme not suitable This programme has been
for this oven configuration. made on another oven 106 Room temperature cannot be measured. When this
Choose another configuration and is not (no occurs again call the Customer Services Department.
programme. longer) feasible (for
example core probe 118 Oven does not work properly. Call the Customer
damaged). Services Department.

123 No contact with Re-start oven or continue 119 Check, clean and or replace the filter.
Boosterprint. to work without booster. If
121 Print damaged
this recurs call service.
122 Problems with the motor. When this occurs again call
126 Incorrect configuration. The configuration is set
Boiler/ACS, no injection? incorrectly. the Customer Services Department.
Degreaser, no condenser?
124 No water supply. Check the water supply! Are there
chemicals in the oven? Oven needs to be turned off.
135 No cleaning material Replace Safepack

30
 Error notifications Mastermind

Table 7: Fatal errors

No Notification in the screen

138 Computer overloaded.

999 A ftal error occured. The oven does not function

properly anymore. Confirm to switch off. Call the
Customer Services Department.

31
Technical sheet

11 Technical sheet 11.4 Measures and weight

This chapter gives a brief overview of the technical Table 9: measures and weights
specifications of the Combimat ovens.
Width Height Depth Weight
This overview is not intended as an installation Type
(mm) (mm) (mm) (kg)
instruction. The technical specifications set out here
have been included purely for reference. 1 970 620 810 130

2 970 750 810 150

11.1 Power supply
3 970 1010 810 170
Table 8: connection values 4 970 1400 810 235

connection conn. value consumption

type 11.5 Water supply and drainage
V, Hz [kW] [kW/h]
Supply
1 3×380, 50/60 9,5 4,5
Connection: aerated cold water tap, 3/4" water
2 3×380, 50/60 9,5 4,5 Capacity: at least 2 Bar, no more than 5 Bar
3 3×380, 50/60 18,5 9 The oven must be connected to cold water supply of
drinkable quality.
4 3×380, 50/60 30 15
Always apply a water softener.

11.2 Location Drainage

Internal diameter drainage pipe: Ø 40 mm
The oven should be placed horizontally and level! Please
Height of drainage point and breech: 50 mm
put your utmost care to this point.
syphon is build in! Don’t use external syphon. Prevent
The oven may be placed to the back wall. We advise you
syphon working in the drain tube!
nevertheless to keep a safety margin of at least 1
centimeter.
Extraction
Stacked oven
The oven should prefarably be placed under an extraction
When using stacked ovens a 10cm margin is necessary
system. Leventi can deliver a standard extractor hood
at the back of the oven.
(with or without a motor).

11.3 Oven room space

11.6 Environmental data
1: 4 trays
The oven produces less then 70 dB (A) of noise.
2: 6 trays
The oven functions well between 0 and 35 °C in a non
3: 10 trays
condensing environment.
4: 15 trays

11.7 Transport
The oven should always be transported with the top side
up, meaning never on its side, back or up side down.

32
 Support

12 Support
Levens Cooking & Baking Systems BV
Broekakkerweg 27
NL - 5126 BD Gilze
The Netherlands

General Phone Numbers:

Tel: +31-(0)-161-459100
Fax: +31-(0)-161-459199
Website: www.leventi.com
E-mail: export@leventi.nl

Customer Services Department

Tel: +31-(0)-161-459191 (option 1)
Fax: +31-(0)-161-453695
E-mail: customerservices@leventi.nl

33
Support

34
CE conformiteitsverklaring (NL, BE) Tõend CE nõuetele vastavuse kohta (EE)
The conformity declaration (UK, IE) Ce-vaatimustenmukaisuusvakuutus (FI)
Déclaration CE de conformité (FR) ǻȒȜȦıȘ ʌȚıIJȩIJȘIJĮȢ ǼȀ (EL)
Ce Konformitätserklärung (DE, LU, AT) MegfelelĘségi nyilatkozat (HU)
Dichiarazione di conformaità CE (IT) ZiƼojums par atbilstƯbu (LV)
Declaração de conformidade (PT) Atitikties deklaracija (LT)
Declaración de conformidad de la CE (ES) Id-dikjarazzjoni ta’ konformita’ (MT)
Prohlášení o shodČ (CZ) Deklaracja zgodnoĞci CE (PL)
EF-overensstemmelseserklæring (DK) Prehlásenie o zhode (SK)
Överensstämmelseintyg för CE-märkning (SE) Ce izjava o soglasju (SI)
Ondergetekende, Undersigned, Le soussigné, Unterzeichner, Il sottoscritto, Abaixo assinado, El abajo firmante, Podepsán: Spoleþnost, Undertegnede, Undertecknad,
Allakirjutanu, Allekirjoittanut, Ǿ ȣʌȠȖİȖȡĮµµȑȞȘ İIJĮȚȡİȓĮ, Alulírott, ApakšƗ parakstƯjusies persona, Toliau pasirašiusi bendrovơ, Hawn taht iffirmat, NiĪej podpisany,
Podpísaný: SpoloþnosĢ, Podpisani

Levens Cooking & Baking Systems BV

Broekakkerweg 27
NL-5126 BD GILZE
The Netherlands
verklaart verantwoordelijk te zijn dat onderstaande machine: declares to be responsible for the machine below: déclare sous sa seule responsabilité que la
machine suivante: erklärt verantwortlich zu zeichnen, dass nachfolgende Maschine: dichiara che la macchina qui di seguito indicata: declara ser responsável pelo
aparelho a seguir: declara ser responsable de que la máquina siguiente: pĜebírá odpovČdnost za níže uvedené zaĜízení: påtager sig ved denne erklæring ansvaret for,
at nedenstående maskine: ansvarar för att nedanstående maskin: tõendab, et vastutab allpool nimetatud masina: vakuuttaa, että alla mainittu kone: įȘȜȫȞİȚ ȣʌİȪșȣȞĮ
ʌȦȢ Ș ʌĮȡĮțȐIJȦ µȘȤĮȞȒ: ezzel felelĘsséget vállal az alábbi termékkel kapcsolatban: apliecina, ka turpmƗk tekstƗ minƝtƗ mašƯna: atsakingai pareiškia, kad toliau
nurodyta mašina: jiddikjara li huwa risponsabbli ghall-makna li qedgha tidher hawn taht: deklaruje z peáną odpowiedzialnoĞcią, Īe wymieniona maszyna: preberá
zodpovednosĢ za nižšie uvedené zariadenie: izjavlja, da jamþi, da je navedena naprava:

Combimat
in overeenstemming is met de richtlijnen: is in accordance with the directives: est conforme aux dispositions des directives: den Richtlinien entspricht: è conforme alle
seguenti direttive: encontra-se em conformidade com as directivas: está en conformidad con las directivas: a prohlašuje, že vyhovuje tČmto smČrnicím: er i
overensstemmelse med direktiverne: överensstämmer med riktlinjerna: vastavuse eest direktiividele: on seuraavien direktiivien mukainen: ıȣµµȠȡijȫȞİIJĮȚ µİ IJȚȢ
ȠįȘȖȓİȢ: és kijelenti, hogy az megfelel a következĘ irányelveknek: atbilst direktƯvƗm: atitinka direktyvas: hija konformi mad-direttivi: speánia wymagania zawarte w
nastĊpujących dyrektywach: a prehlasuje, že vyhovuje týmto smerniciam: v soglasju z direktivo:

98/37/EG (EF, EÜ, CE, EK, EK, EB, WE, EC)

73/23/EEG (EØF, EMÜ, CEE, EOK, EEK, EEB, EWG, EEC)
2004/108/EG (EØF, EMÜ, CEE, EOK, EEK, EEB, EWG, EEC)

21 04 2004 Gilze, Nederland, The Netherlands, Pays-Bas, Die Niederlande, Paesi Bassi, Holanda, Países Bajos, Nizozemí, Nederlandene, Nederländerna, Holland,
Alankomaat, Niederlande, ȅȜȜĮȞįȓĮ, Hollandia, NƯderlande, Nyderlandai, The Netherlands, Holandia, Holandsko, Nederland.

Ondertekening, Signed, Signature, Signatur, Firma, Assinado, Firma, Podepsán, Underskrift, Underskrift, Allkiri, Allekirjoitus, ȊʌȠȖȡĮijȒ, Aláírás, Firma, Paraksts,
Parašas, Iffirmata, Podpis, Podpísaý, Podpis:

R. Levens
Algemeen directeur, General Director, président-directeur général, Generaldirektor, Direttore generale, Director-geral, Director General, generální Ĝeditel, direktør,
verkställande direktör, Peadirektor, Johtaja, īİȞȚțȩȢ ǻȚİȣșȣȞIJȒȢ, vezérigazgató, ƧenerƗldirektors, bendrǐjǐ reikalǐ direktorius, Direttur Generali, Dyrektor Naczelny,
generálny riaditeĐ, direktor

35
Levens Cooking & Baking Systems B.V.
Broekakkerweg 27
NL - 5126 BD Gilze
The Netherlands