LNI SONIMIX 3014 User manual

OPERATING MANUAL SONIMIX 3014
Edition 1.1E May 1999 Page 1Om3014 ed 2001 e.doc 07/07/02
MULTIPOINTS MULTIGAS CALIBRATOR
SONIMIX 3014
OPERATING MANUAL
1) INTRODUCTION
2) CHARACTERISTICS
2.1 GENERAL CHARACTERISTICS
2.2 PRESENTATION OF THE INSTRUMENT
2.3 FLUIDICS DIAGRAM
2.4 ELECTRONICS
3) SOFTWARE DESCRIPTION AND ACCESSIBLE FUNCTIONS
3.1 INTRODUCTION
3.2 SOFTWARE EXPLORATION AND DEFINITION OF THE PRINCIPAL KEYS
3.3 DETAILS OF THE MENUS AND FUNCTIONS ACCESSIBLE
3.4 ALARMS
4) INSTALLATION
4.1 INSTALLATION
5) MAINTENANCE AND RECALIBRATION
5.1 GAS DILUTOR
5.3 PERMEATION TUBES
5.5 ON SITE VERIFICATIONS
5.6 REPAIR
5.7 FACTORY RECALIBRATION
5.8 WARRANTY
6) TROUBLE SHOOTING
7) NOTES

OPERATING MANUAL SONIMIX 3014
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1) INTRODUCTION
The MULTIPOINT MULTIGAS CALIBRATOR, model LNI SONIMIX 3014 is an instrument
designed to calibrate manually or by remote control upto 6 gas monitors installed in an Air
pollution monitoring station, such as SO2, HC or BTX, CO, and NO.
The SONIMIX 3014 is equipped with an interface designed to be directly compatible with the
Data Acquisition stations with the ISO7168 protocol, or with the analyzers. In Local mode,
the interface allows to Configure the calibrator and to perform the manual operations of
calibrations necessary after the maintenance process on the monitors.
All internals parameters such as voltage on MFCs, temperature of the permeation oven,
pressure,… are readable on the display.
The basic configuration of the SONIMIX 3014 is mainly composed of 2 parts :
** a gas generator, based on one high precision mass flow controller and mechanical
pressure
regulators, with a permeation chamber
** an interface, based on the 80537 microcontroler, able to receive and execute the
instructions
emitted by the monitors or a compatible data acquisition system; instructions transmitted
by
RS232 or materialized by closed or opened relays; the power supplies for the valves, the
keyboard and the 2 X 20 characters fluorescent display.

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Several additional features are available as option
Model Model description Article Nr
SONIMIX 3014A Portable multipoint precision calibrator with permeation
tube 670404500
SONIMIX 3014AOP0 Permeation oven for a single tube (permeation tube not
included) 670404502
SONIMIX 3014AOP1 Integrated self regenerable Zero Air generator 670404501
SONIMIX 3014AOP1AC1 Set of the consumables filters for the annual maintenance (4xAC; 2xMS; 1x
automatic purge filter; 1x Inlet dust filter) 670406071
SONIMIX 3014AOP1AC2 Kit of diaphragm and and valves (popets) for the compressor 670404572
SONIMIX 3014AOP1AC5 Set of tube, fittings and flowmeter for connecting the SONIMIX 3014A to the
analysers 670404577
SONIMIX 3014AOP1AC6 Filter for the automatic purge 670404570
SONIMIX 3014AOP1AC7 Consumables for filters F3 to F6 670404578
SONIMIX 3014AOP2 Second permeation oven for a single tube (permeation
tube not included) 670404503
SONIMIX 3014AOP3 Permeation oven for 6 tubes maximum (permeation tubes
not included) 670404504
SONIMIX 3014ATPSO2 SO2 permeation tube 670404580
SONIMIX 3014ATPNO2 NO2 permeation tube 670404581
SONIMIX 3014ATPH2S H2S permeation tube 670404582
SONIMIX 3014ATPBenz. BENZEN permeation tube 670404583
SONIMIX 3014ATPEBenz. ETHYL BENZEN permeation tube 670404584
SONIMIX 3014ATPTol. TOLUEN permeation tube 670404585
SONIMIX 3014ATPXyl-para PARA-XYLEN permeation tube 670404586
SONIMIX 3014ATPXyl-ortho ORTHO-XYLEN permeation tube 670404587
SONIMIX 3014ATPXyl-meta META-XYLEN permeation tube 670404588
SONIMIX 3014AAC1 Set of tube, fittings and flowmeter for connecting the SONIMIX 3014A to the
analysers 670404574
SONIMIX 3014AOP4 Dilution line 670404505
SONIMIX 3014AOP3AC2 1m of 1/8"Stainless steel tube, cleaned and ready to use 670404575
SONIMIX 3014AOP3AC1 Set of Inlet filters (2 pieces) 670404573
SONIMIX 3014AOP5 Remote interface by serial RS 232 670404506
SONIMIX 3014AOP97 Voltage 230VAC / 50 Hz 670404567
SONIMIX 3014AOP98 Voltage 230VAC / 60 Hz 670404569
SONIMIX 3014AOP99 Voltage 117VAC / 60 Hz 670404568
SONIMIX 3014AAC98 Operating manual in English ( 1 free piece edited in the customer's prefered
language, the other should be charged ) 670404598
SONIMIX 3014AAC99 Operating manual in French ( 1 free piece edited in the customer's prefered
language, the other should be charged ) 670404599
SX3014 DRIVER V1.0 Driver to interface the SONIMIX 3014 with EASYQUAL
V1.0 670900216
SX3000BOX1 Carrying case for portable calibrators 670409990

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2) CHARACTERISTICS
2.1 GENERAL CHARACTERISTICS (Basic model and options)
Carrier gas : High grade ZERO Air from pressurized cylinders or
from the LNI ZERO AIR Generator SONIMIX 3054C
or SONIMIX 3057A (or comming from the optional
zero Air generator)
Diluted gases : mixtures of SO2 in AIR (25 to 100ppm)
NO in N2 (25 to 100ppm)
CO in AIR (1000 to 10000ppm)
HC or BTX in AIR
Total outflow of mixture : about 5000 Nml/min, other values upon request
Flow of carrier gas : 0 to 5000 Nml/min Air
Flow of diluted gas : 0 to 50 Nml/min Air
Dilution ratio range : 1/1000 to 1/30
Flow generation accuracy and linearity : better than 0.5% FS, due to recorded response curve
and calculations
Repeatability of flow generated : better than 0.2% FS
Stabilization time of the mixtures (T99) : <1 minute
Temperature of the permeation tube
oven : 45°C
Temp. stability of the permeation
tube oven : 0.05°C
SO2 permeation tube definition : 100 to 500 ppb @ 3500 Nml/min
NO2 permeation tube definition : 100 to 500 ppb @ 3500 Nml/min
Alimenting pressures : 3 +/- 0.3 bar ( 35 +/- 5 psig)
Operating temperature : 5 to 40°C
Operating altitude : from sea level to 4000m
Alarms :1 pressure switch on the Diluted line, MFCs,
permeation ovens,
Electro-magnetic compatibility : According to CE recommendations
Power consumption : 110V/60Hz or 230V/50Hz / 200W
Gas connections : by 1/4″and 1/8″Swagelok fittings
Dimensions and weight : 19″3HE/84TE, 500mm deep. About 25 Kg.

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2.2 PRESENTATION OF THE INSTRUMENT
2.2.1 Front face
The front face is composed of :
-1 : One outlet
-2 : the vacuum fluorescent display with two rows of 20 characters
-3 : the 18 keys keyboard
-4-: the power switch
2.2.2 Rear face
The rear face is composed of :
-1 : one inlet for premixed gases. Swagelok 1/4″fitting with integrated filter
-2 : the AIR Inlet. Swagelok 1/4″fitting with integrated filter
-3 : the By-pass outlets, 4mm quick connect
-4 : the power line plug protected by two 1A fuses with a sticker indicating the voltage

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-5 : connector for the 12V power supply
2.3 INTERNAL STRUCTURES
Permeation
Oven with
1 chamber
MFC2
MFC1
MB3000
MFC interface
Humidity
sensor
Pressure
regulator
Micro pump
24 V DC
Power supply
Battry
Desicant
scruber

OPERATING MANUAL SONIMIX 3014
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2.3.1 FLUIDIC MODULES
The fluidic circuit of the SONIMIX 3014 with all options installed shows six modules:
*** 1 permeation oven with 1high quality mass flow controller (basic configuration)
*** the permeation oven with a single tube
*** the permeation oven with multi chambers
*** the self regenerable zero Air Generator
MFC
5l
MFC
50cc
AIR
DILUTED GAS
INLET(OP4)
MIXTURE
OUTLET
PURGE
SecondPermeation chamber for
1 tube( OP2) or 6 tubes (OP3)
Humidity
sensor
Moisture filter
Micro- Pump
Purge
COMPRESSOR
ZERO AIR GENERATOR
op 1
SONIMIX 3014A
Permeation chamber for 1 tube
(OP0)
Maximum configuration :
OP0+OP2 or OP3

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2.3.1.1 DILUTOR (if the OP4 has been installed)
The binary dilutor is composed of two lines, the AIR and the Diluted gas line:
a) the diluted gas line includes
-one high quality mass flow controller of 50 Nml/min full scale
b) the AIR line includes
-one high quality mass flow controller of 5000 Nml/min full scale
By setting both MFCs, the dilution ratio range is between 1/30 and 1/1000.
2.3.1.2 SINGLE CHAMBER PERMEATION OVEN
The permeation oven module is composed of aluminium oven containing the permeation
tube, a low flow sonic nozzle to generate a stream of air around and a 3/2 ways electrovalve
to inject the high concentration mixture in the main AIR stream generated by the
5000Nml/min MFC. The final concentration is adjusted by modifying the flow of AIR stream
regulated by the MFC.
A micro pump and a desicant provide dry air to the permeation oven during transport.
2.3.1.3 MULTI CHAMBER PERMEATION OVEN
The multi chamber permeation oven is similar to the single chamber permeation oven,
except that the oven is designed to contain upto 6 permeation tubes. The 3/2 injection valve
is common to all chambers. This permeation oven is specially designed for BTEX
permeation tubes.
A micro pump and a desicant provide dry air to the permeation oven during transport.
2.3.1.4 SELF REGENERABLE ZERO AIR GENERATOR
The Zero Air Generator includes an internal compressor, an automatic coalescent purge, a
set of valves and specific scrubbers to remove gases like NO, NO2, SO2, O3, SO2, HCnm,
BTEX and moisture.
The Zero Air is self regenerating an do need only preventive maintenance
2.3.2 CONSTRUCTION
a) Diluted gas Line
* all metallic parts in contact with the high concentration gases are made of stainless steels
AISI
304,316 and 316L
* after dilution the mixture is transported by lines containing stain less steal tubing.
* the nozzles are made of seals in Silver and a diaphragm in Gold

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* the filters assembled in the inlets are made of sintered stainless steel with 30µabsolute
level
of filtration
* teflon seals (1 piece by gas line)
* elastomer seals are made of high grade Viton
b) AIR line
* all metallic parts in contact with the dry and pure AIR are made of anodized Aluminia,
passivated Brass and of stainless steel.
* the filter assembled in the Air inlet is made of sintered stainless steel with 30µabsolute
level of
filtration
* elastomer seals are made of high grade Viton
c) Permeation oven modules
* all metallic part in contact with the high concentration mixtures are made of corrosion free
material including Teflon and stainless steel. Seals are in Teflon or high grade Viton.
2.4 ELECTRONICS
The SONIMIX 3014 electronics is composed of 6 different boards:
-1- the main board labelled MB3000 including
** the 80537 micro-controller with
64Kbyte of EPROM
8Kbyte of EEPROM
64Kbyte of RAM
** 16 drivers and power-reducers circuits for the electro-valves with ECOPOWER
system.
-2- the power supply generating (PS3000/50VA)
+ 7VDC / 3.5 A
- 7VDC / 2.5 A
COMMON of +/- 7VDC
+ 5VDC / 1 A
GND of +5V (GND and COMMON not connected)
-4- the 24VDC power supply and bidirectional data acquisition system for the two MFCs
-5- one high precision temperature regulation system, labeled FOUR P6L1 or FOUR P6L2,
with
valve control and communication circuits with the MB3000 board for each permeation
oven
-6- the 18-keys keyboard
-7- the 2X20 characters Vacuum Fluorescent Display module.

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The boards 1, 2 and 4 are fixed together on an L-shape aluminia cooler located close to the
display. The boards 6 and 7 are fixed on the front face. The board(s) 5 are fixed close to the
permeation oven(s).
The three main boards, MB3000, PS3000 and eventual other options communicate with the
2-wire bus I2C.
3) SOFTWARE DESCRIPTION AND ACCESSIBLE FUNCTIONS
3.1 INTRODUCTION
The SONIMIX 3014 is a sophisticated calibration system and the ideal companion of the
AIR POLLUTION monitors; the integrated software has been designed taking into account
easy access, modularity, adaptation to old or new installations, future evolutions of the
needs and conviviality.
This software is composed of three groups of functions or menus.
** 1st group : FEATURES and SETTINGS
** 2nd group : LOCAL or MANUAL instructions
** 3rd group : ACTIVE PARAMETERS, ALARMS, CALIBRATION and RINSE /PURGE
3.2 SOFTWARE EXPLORATION AND DEFINITION OF THE PRINCIPAL KEYS
The software is composed of menus activated, visited, interrogated or where some data are
modified principally with four keys:
MENU, ENTER, ↑and ↓

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After cold booting or a RESET (RST), the instrument identify it self during 5 seconds and
shows
SONIMIX3 0 1 4
LNIN D U STRIE S S A
and jumps to a main menu status.
MAINMEN U ↓
GENER A TI O N
In order to visualize the different possibilities (Generation, Settings, Features, Board Panel,
Rinse) press the ↑or ↓key. At that point it is possible to navigate through the different
menus and sub menus with the four above mentioned keys.
↑and ↓: allows to show menus, sub-menus, parameters or data
ENTER : allows to select menus, sub-menus, parameters or data
MENU : allows to jump back to the previous selection
3.3 DETAILS OF MENUES AND FUNCTIONS ACCESSIBLE
- - 4.3.1 FEATURES
- - 4.3.2 SETTINGS
- - 4.3.3 GENERATION or GAS GENERATION
- - 4.3.4 BOARD PANEL
- - 4.3.5 RINSE
3.3.1 FEATURES
MAINMEN U ↓
FEATU R E S
This menu includes the essential informations relative to the hardware composition and
software options. Those informations are stored during the last phases of the production
cycle and can not be modified by the user; they includes :
Model of instrument : SONIMIX 3014
Function of the instrument : Multipoint Multigas calibrator
Producer : LN INDUSTRIES SA
Serial Number : 1234
Software version : V1.2
Date of production (week/Year) : 16/1999
Next recalibration : 15/2001

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Pressure regulator setting value : RP1 setting = 2000 mbar rel
Outflow MFC1 (RDM1) : 5000 Ncc
Outflow MFC2 (RDM2) : 50 Ncc
Outflow permeation tubes : 60 Ncc
The informations are accessible by selecting first the Features menu and after with the ↑
and ↓key to read the data.

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3.3.2 SETTINGS
The SETTINGS menu is intended to consult or modify the default values of the functioning
parameters, in order to adapt the instrument to the installation conditions or to the user
habits.
The default values are stored in the EPROM and can not be modified, the modified values
are stored in the EEPROM. The active values (used by the micro-controller) are stored in
the EEPROM.
WARNING: if for any reason a new EPROM is installed, the EEPROM must be resetted and
therefor the complete parametrisation process must be repeated.
The following points are sub-menues or specific points of the Settings
++ Gas Channel definition
++ Permeation channel 1 to 2 and Dilution channel
++ Alarms
++ Standardize
++ Units
++ Languages
++ Rince Time
3.3.2.1 GAS CHANNEL DEFINITION
The gas channel concept is an LNI novelty, it could be either a real gas inlet or a virtual one;
this concept is necessary to define a common structure to all gases and to integrate gases
that are not available in pressurized cylinders or generated by the permeation devices.
To select the gas channel, use the up and dows arrow keys ; when the desired gas channel
appears, press the ENTER key to select it.
The complete definition of a gas channel is realized when all the following parameters are
recorded :
For the permeation channels,
•selection of the gas
•the physical source, selection of the permeation chamber 1 to
•value of permeation
Selection of the permeation channel to parametrize 1 to 4.
S E T T INGS↓
P E RMEATI O N C H A N N EL:1
S E T T INGS↓
P E RMEATI O N C H A N N EL:4
Press ENTER to select the right channel, 2 for example

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P E RMEATI O N C H A N N EL:2
S E LECTI O NGAS↓
P E RMEATI O N C H A N N EL:2
PHY S IC A LSOU R C E↓
P E RMEATI O N C H A N N EL:2
TPC A LIB R A TI O N↓
When SELECTION GAS is selected, a list of gases is proposed and one must be choosen.
S E LECTI O NGAS↓
SO2
S E LECTI O NGAS↓
NO2
…
When the PHYSICAL SOURCE is selected, a list of 2 permeation chambers are proposed
and one must be choosen. The chambers could be located on the single chamber ovens or
on the multiple chambers oven.
PHY S IC A LSOU R C E↓
P E RMEATI O N C H A MBER2
When the TP CALIBRATION is selected, the image shows:
the name of the gas
the concentration measured by a reliable analyzer
PREMIXTU R E:SO2↓
P E RMEATI O N C H A MBER2
Based on this amount, the software calculates the value of concentration for the
GENERATION menu.
For the dilution channels
•selection of the gas
•concentration of the high concentration mixture contained in the gas cylinder
connected at the diluted gas inlet, in ppm
•carrier gas contained in the high concentration mixture, AIR or N2
•physical source, Inlet port, 1 where the cylinder is connected
•flow of mixture, defined by the Air flow on the carrier line

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Selection of the gas channel to parametrize 1 to 4.
S E T T INGS↓
DILUTI O N C H A N N EL:1
Press ENTER to select the right channel, 1 for example
And after the corresponding parameters
DILUTI O N C H A N N EL:1
S E LECTI O NGAS↓
DILUTI O N C H A N N EL:1
AMOU N T↓
DILUTI O N C H A N N EL:1
C A R R IER↓
DILUTI O N C H A N N EL:1
PHY S IC A LSOU R C E↓
DILUTI O N C H A N N EL:1
F L OWR D MC MP↓
When SELECTION GAS is selected, a list of gases is proposed and one must be choosen.
S E LECTI O NGAS↓
C H 4
S E LECTI O NGAS↓
NO
When AMOUNT is selected, the image shows:
the name of the gas
the concentration of premixture contained in the cylinder
PREMIXTU R E:C H 4↓
AMOU N T:1 0 0 0 p p m
The display’s cursor is located at the first character place; to change the concentration, type
on the new value.

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When CARRIER is selected, the image shows
C A R R IER⇔
⇒AIR N 2
With the ←and →keys the carrier gas in the premixture is choosen.
When PHYSICAL SOURCE is selected, the image shows
PHY S IC A LSOU R C E↓
INLET1
If the option1 is installed, 4 Inlets are available to connect up to 4 cylinders of premixtures.
When FLOW RDM CMP is selected, the image shows
F L OWR D MCMP
QCMPR D M : 5 0 0 0 Nc c
The value, which could be adjusted, is the flow of carrier gas for the dilution.
This value must be superior to the consumption of mixture by the analyzers; it will define the
minimal and maximal of dilution.
3.3.2.2 ALARMS ENABLE
This menu allows to activate (ON) or desactivate (OFF) all the alarms. See chapter Alarms
for details on the SX3014 set of alarms. The choice is achieved by selecting ON or OFF with
the ←or→key and then by ENTER.
ALA R MS E N A B LE
O F F ON
3.3.2.4 STANDARDISATION or CALIBRATION
3.3.2.5 UNITS
This menu allows to select the units of data presented on the display. The choice is
achieved by selecting PPM or PPB with the ←or→key and then by ENTER.
U N ITS
P P M⇒P P B

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3.3.2.6 LANGUAGES
This menu allows to select the languages of the informations presented on the display. The
choice is achieved by selecting FRENCH or ENGLISH with the ↓or ↑key and then by
ENTER.
LA N GU A GE S ↓
FREN C H
3.3.2.8 RINSE TIME
This menu allows to define the time of rinse function, in minutes and seconds. During the
purge process, the electrovalve EV1 is opened and all the carrier and diluted gas lines are
filled with AIR or N2. The rinse time is introduced with the keyboard and activated with
ENTER.
Usually, the rinse function is activated after or before usage of corrosive gases, to prevent
corrosion of the mixer due to atmospheric wet Air or chemical reaction with other gases.
RINS E TIME↓
MIN U TE/S E CON D =0 0 :1 0
Warning: All parameters are stored in the EEPROM and must be written in. If the
questions are not answered completely, the new data will not be saved.
3.3.3 GAS GENERATION
It is by this menu that the different calibration points are accessible, using the dilution of high
concentration mixtures from external cylinders or from internal permeation tubes, and the
ozone generator for O3.
MAINMEN U ↓
GASGENER A TI O N
Selection by ENTER
The different sub-menues of GENERATION GAS are : Permeation Channel 1 to 4
Dilution Channel 1 to 4
Ozone
GASGENER A TI O N↓
P E RMEATI O N C H A N N EL:1
When ENTER is pressed, for any gas channel choosen, two selections are proposed :
ZERO and SPAN
SO2↓
ZERO

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SO2↓
SPA N
If ZERO is selected, then the SONIMIX 3014 generates a flow of ZERO SO2
If SPAN is selected, then a new image is displayed
SO2
VALUE=1 9 2 P P B⇔
At this point, it is possible to modify the value proposed with the ←and →keys. When the
value is selected and the ENTER pressed, the SONIMIX 3014 starts to generate a flow of
mixture corresponding to the value displayed.
The modulation of concentration is realized by varying the flow of carrier gas for the
permeation channels, by varying the flows of both Mass Flow Controllers for the dilution and
by varying the UV light for the Ozone generation..
IMPORTANT NOTICE
At any time during a span phase, the functioning parameters assembled in the BOARD
PANEL menu, could be monitored by pressing ENTER.
To exit from the BOARD PAEL menu, press on MENU two times
See BOARD PANEL Menu for a detailed description of the parameters.
To come back to the GAS GENERATION menu, press on MENU three times.
3.3.4 BOARD PANEL
The visualization of the active parameters is achieved with the ↓or ↑keys
3.3.4.4 Inlet port carrier gas pressure (AIR)
BOA R D PA N EL
AIRPRE S S U R E
To read the actual AIR pressure status, press on ENTER
AIRPRE S S U R E
PRESENT
If the pressure is within the tolerances, or if the pressure is inferior to the lower limit.
AIRPRE S S U R E
A B S E NT
Press MENU to reach the next active parameter

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3.3.4.9 Mass Flow Controller RDM1 linearization
BOA R D PA N EL
STA N D A R D R D M1
To read the 3 values recorded during the linearization process, press on ENTER :
STA N D A R D R D M1↓
MEASU R E1:1 1 0 7 Nc c
To read the other values, press on the ↑↓ keys
STA N D A R D R D M1↓
MEASU R E2:2 2 1 5 Nc c
STA N D A R D R D M1↓
MEASU R E3:3 3 4 2 Nc c
Press MENU to reach the next active parameter
3.3.4.10 Mass Flow Controller RDM2 linearization
BOA R D PA N EL
STA N D A R D R D M2
To read the 7 values recorded during the linearization process, press on ENTER :
STA N D A R D R D M2↓
MEASU R E1:4.8 1 Nc c
To read the other values, press on the ↑↓ keys
STA N D A R D R D M2↓
MEASU R E2:6.4 5 Nc c
STA N D A R D R D M2↓
MEASU R E7:3 6 .2Nc c
Press MENU to reach the next active parameter
3.3.4.12 Temperature of the permeation ovens
BOA R D PA N EL
TPHEAT T EMP E R A TU R E
To read the actual temperature in ovens, press on ENTER
TPHEAT T EMP E R A TU R E
1:4 9 .8°C↓
To read the temperature of the other ovens, press on the ↑↓ keys

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Press MENU to reach the next active parameter
3.3.4.13 Voltage on the Mass flow Controllers RD1M1 and RDM2
BOA R D PA N EL
R D MTENSI O N
To read the actual voltage on the MFC 1 (RDM1), press on ENTER
R D MTENSI O N
1:2 8 3 5 mV↓
To read the voltage on the MFC2 (RDM2), press on the ↑↓ keys
R D MTENSI O N
2:3 1 7 1 mV↓
Press MENU to reach the next active parameter
3.3.5 RINCE
When this menu is activated, the function RINCE starts during the time stored on the
SETTING menu.
3.3.6 ALARMS
The SONIMIX 3014n is able to detect 5 parameters of misfunction and it generates the
corresponding messages of alarm either in manual or remote modes.
AIR A LA R M
The following articles are the list of the alarms, when such a case is arriving the calibrator is
not stopped but the user is supposed to identify and verify the source of alarm by pressing
ENTER and using the BOARD PANEL menu.
3.3.6.1 Hardware Alarm
One or several boards are not communicating with the MB3000. That could be due to an
interruption in the wiring or a damaged board.
3.3.6.2 AIR Alarm
The alimentation of Air pressure from the Zero Air Generator or from a gas cylinder is not
setted at a correct value. It is inferior to the minimum necessary pressure.
3.3.6.3 Heating Alarm
This alarm is a summarizing three parameters Ozonizer Temperature, NO2→NO converter
and Permeation Chambers Temperatures. If one of them is inferior to the corresponding
minimal value, the alarm appears.