GE Centiva/5 Plus Product manual

GE Healthcare
Centiva/5 Plus
Technical Reference Manual

Caution U.S. Federal law restricts this device to sale by or on
the order of a licensed medical practitioner. Outside
the U.S.A., check local laws for any restriction
that may apply. Datex-Ohmeda products have unit
serial numbers with coded logic which indicates a
product group code, the year of manufacture, and a
sequential unit number for identi?cation.
AAA X 1234
The X represents a number indicating the year the
product was manufactured; 4 = 2004, 5 = 2005, etc.
TRM Centiva/5 plus, M1047448/ CM-922026, rev. 3.50.a of 11/05 FC

TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 0-1
1 Introduction
2 Theory of Operation
3 Post-Service Checkout
4 Tests and Calibrations
1.1 What this manual includes 1-2
1.1.1 Software and hardware revision 1-2
1.2 Standard service procedures 1-3
1.2.1 User Reference Manual 1-3
1.2.2 Ventilator tests 1-3
1.3 Symbols used in this manual or on the equipment 1-4
1.4 Abbreviations used in this manual or on the equipment 1-6
2.1 General description 2-2
2.2 Centiva/5 Plus CC ventilator features 2-3
2.2.1 Safety features 2-3
2.3 Centiva/5 Plus CC ventilator main assemblies 2-4
2.4 Electrical components 2-5
2.5 Pneumatic components 2-12
3.1 Post-service checkout 3-2
4.1 Self tests 4-2
4.1.1 Power-up test 4-2
4.1.2 System test 4-3
4.1.3 In-operation test 4-6
4.2 Test lung test 4-7
4.3 Service mode 4-10
4.4 Service mode check 4-13
4.5 Software and hardware revision 4-14
4.6 Ventilator “on-time” 4-15
4.7 Calibrations 4-16
4.7.1 O2sensor calibration 4-17
4.7.2 Location of calibration points 4-19
4.7.3 AIR flow calibration 4-20
4.7.4 O2flowcalibration 4-22
4.7.5 Expiratory flow sensor calibration 4-24
4.7.6 Airway pressure sensor calibration 4-28
4.7.7 Overpressure relief valve calibration 4-30
4.7.8 Battery charging voltage calibration 4-31
4.8 Battery test 4-32
4.9 Diagnostic test 4-34
See next page for more
0 Table of content

0 Table of Content
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
0-2
5 Troubleshooting
6 Maintenance
7 Repair procedures
5.1 Troubleshooting instructions 5-2
5.2 Alarms 5-4
5.3 Messages 5-9
5.3.1 Messages during power-up test 5-9
5.3.2 Messages during system test 5-14
5.3.3 Messages during O2 sensor calibration 5-25
5.3.4 Messages during operation 5-26
5.3.5 System shut down messages 5-29
6.1 General instructions 6-2
6.2 Maintenance schedule 6-3
6.2.1 Every twelve (12) months 6-3
6.2.2 Every twenty-four (24) months 6-4
7.1 General instructions 7-3
7.2 Open the system 7-4
7.2.1 Remove the exp. Valve 7-5
7.2.2 Remove the control panel 7-7
7.2.3 Open the control panel 7-8
7.2.4 Control panel assemblies 7-9
7.2.5 Open the main engine 7-10
7.2.6 Remove the control panel plate 7-11
7.2.7 Main engine assemblies 7-12
7.3 Service assemblies 7-14
7.4 Change the line voltage 7-15
7.5 Software replacement 7-16
7.5.1 Change the A EPROM 7-17
7.5.2 Change the B EPROM 7-18
7.6 Change the unit of pressure 7-19
7.7 Change fuses 7-20
7.7.1 Change the line fuses 7-20
7.7.2 Change the control panel fuses 7-21
7.7.3 Change the main engine fuses 7-22
7.8 Repair control panel components 7-23
7.8.1 Replace ComWheel encoder 7-23
7.8.2 Replace PC board A 7-24
7.8.3 Replace PC board DCU 7-26
7.8.4 Replace LCD screen 7-27
7.8.5 Replace front housing with touch screen 7-28
7.9 Repair main engine components 7-29
7.9.1 Remove back-up battery 7-29
7.9.2 Repair expiratory valve 7-30
7.9.3 Replace expiratory valve locking assembly 7-31
7.9.4 Repair inspiratory connection 7-32
7.9.5 Replace O2 sensor 7-33
See next page for more

1 Table of Content
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 0-3
7 Repair procedures
(continued)
8 Illustrated Parts
9 Schematics and Diagrams
7.9.6 Repair ON-Off switch 7-34
7.9.7 Replace gas inlet connectors 7-35
7.9.8 Replace gas inlet filters 7-36
7.9.9 Replace pneumatic assembly 7-37
7.9.10 Replace free breathing valve 7-38
7.9.11 Replace PC board B 7-39
7.9.12 Replace alarm speaker B 7-40
7.9.13 Remove sub chassis 7-41
7.9.14 Replace transformer 7-42
7.9.15 Replace fan 7-43
7.9.16 Replace line connector 7-44
7.9.17 Replace DC mains connector 7-45
7.9.18 Replace ground connector 7-46
7.9.19 Replace serial data connector 7-47
8.1 Special instructions 8-2
8.2Servicetools 8-2
8.2.1 Calibration accessories kit, ST 2 8-2
8.2.2 Test lung kit, ST 3 8-2
8.2.3 “Service” flow screen ST5 8-2
8.2.4 Tool kit, ST 4 8-3
8.2.5 Test equipment specifications 8-3
8.3 Software 8-4
8.4 Control panel spare parts 8-4
8.5 Expiration valve spare parts 8-9
8.6 Main engine spare parts 8-11
9.1 Pneumatic diagram 9-2
9.2 Electrical diagram 9-4
9.3 Component layout, PC board B 9-6
9.4 Component layout, PC board A 9-7
9.5 Tubes and connectors 9-8
9.6 List of fuses 9-11
9.7 Screw connectors 9-12
9.8 Accepted ranges 9-13
9.9 Sensor data ranges 9-14
9.10 Serial data transfer 9-15
See next page for more

0 Table of Content
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
0-4
10 Configuration and
optionalization
11 Optional accessories
10.1 Centiva/5 Plus configuration mode 10-2
10.1.1 Access to configuration mode 10-3
10.1.2 Configuration modality 10-5
10.1.3 Exit configuration mode 10-6
10.1.4 Configuration parameters 10-7
10.2 Optionalization mode 10-9
10.2.1 Access to optionalization mode 10-10
10.2.2 Optionalization modality 10-11
10.2.3 Exit optionalization mode 10-13
11.1 External battery pack 11-2
11.2 Carts 11-3
11.3 Compressor 11-4
11.4 Support arm 11-5

TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 1-1
In this section
1.1 What this manual includes 1-2
1.1.1 Software and hardware revision 1-2
1.2 Standard service procedures 1-3
1.2.1 User Reference Manual 1-3
1.2.2 Ventilator tests 1-3
1.3 Symbols used in this manual or on the equipment 1-4
1.4 Abbreviations used in this manual or on the equipment 1-6
1Introduction

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
1-2
1.1.1 Software and
hardware revision
This manual covers the service information for the
Centiva/5 Plus CC ventilator
This manual includes test and calibration procedures for software revision 3.01.p.
and hardware revision 3/4, including options
-“Bi-level VG”
-“Newborn”
-“Trend”.
The software (SW) and the hardware (HW) revision code are displayed during the
ventilator power-up test and during the system test in the upper left corner in the
screen.
The software revision code “3.nn.p” identifies:
-3. = Centiva/5 Plus
-nn. = current base software release
-p = current patch number of software release (bug fixing level)
The hardware revision code “o / r” identifies:
-o = front panel hardware revision
-r = main engine hardware revision.
1.1 What this manual includes
Adult Pediatric
Newborn
Enter
Align
touch screen
Calibrate
O2 sensor
Bypass
system test
Unlock
exp. valve
Body weigth 55 kg
Ensure silver exp. valve is in place
Start system test by pressing <Enter>
SW 3.nn.p HW o/r
System test
Centiva/5
Complete system set up, seal y-piece
+
Bi-Level VG
Newborn
Trend
Retain
trend data
09:36:53
2005-03-21

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 1-3
1.2.1 User Reference
Manual
1.2.2 Ventilator tests
WARNING
WARNING
Special notice
You must have, and be familiar with, the user reference manual for this product.
Study the Centiva/5 Plus CC ventilator user reference manual if you need further
information about the operation of the system.
Service calibration functions let trained service personnel perform ventilator setup
functions, tests, measurements and calibrations from the front panel display.
Normal operational tests, calibrations and troubleshooting can be performed on
the Centiva/5 Plus without opening the system’s cabinet. Repair will require
opening the system’s cabinet. Calibration of the following parameters requires
opening the system’s cabinet:
•Inspiratory O2 flow
•Inspiratory AIR flow
•Expiratory flow
•Airway pressure
•Battery charging voltage
After the Centiva/5 Plus has been serviced, you must perform “Post
Service Checkout” to verify the system is properly functioning before
the system can be returned to clinical use.
Do not perform testing or maintenance on this instrument while it is
being used to ventilate a patient, possible injury may result.
Some information in this manual can possibly point the reader to electronic
troubleshooting and component repair/replacement level of service. This
information, when supplied, is only supplied to add clarity to service or
troubleshooting statements. Datex-Ohmeda Service Personnel are mandated by
Company Policy to service electronic equipment to a board replacement level only.
•Read completely through each step in every procedure before starting the
procedure; any exceptions can result in a failure to properly and safely
complete the attempted procedure.
•Unless otherwise specified, values in this manual are nominal.
•Sections in this manual begin on odd numbered or right-hand pages. If
there is no text on the preceding, backup even numbered page, it is labeled
“Notes” for your use if you wish.
•Figures that require more than one page have the title and main text on the
left (even numbered) page. Additional figure information is on the facing
(odd numbered) page.
The Centiva/5 Plus CC ventilator may be used together with additional accessories,
such as trolleys, compressors etc. These accessories come with a separate service
manual. Use this manual together with the manuals for additional accessories.
1.2 Standard service procedures

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
1-4
WARNING
CAUTION
Warnings and Cautions tell you about dangerous conditions that can
occur if you do not follow all instructions in this manual.
Warnings indicate a condition that can cause injury to the operator or the patient.
Cautions indicate a condition that can cause damage to the equipment. Read and
follow all warnings and cautions.
Alarm silence touch key
Menu touch key
Normal screen touch key
Left turn ComWheel to decrease value
Right turn ComWheel to increase value
Rotate ComWheel to change value
Push ComWheel to confirm selection (ENTER)
AC line supply active
DC supply active
Internal battery supply active
Nebulizer active
Blue frame selection
1.3 S
y
mbols used in this manual or on the e
q
ui
p
ment
Normal
screen
+-
Battery: 23 min.

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 1-5
x
xxx
On (power)
Off (power)
Earth ground
Protective earth ground
Equipotential
Type B equipment
Input (Expiratory port)
Output (Inspiratory port)
Nebulizer gas supply
Serial data transfer connection
This symbol indicates that the waste of electrical and electronic equipment must
not be disposed as unsorted municipal waste and must be collected separately.
Please contact an authorized representative of the manufacturer for information
concerning the decommissioning of your equipment.
Systems with this mark comply with the European Council Directive (93/42/EEC)
for Medical Devices when they are used as specified in their Operation and
Maintenance Manuals. The “xxxx” is the certification number of the Notified Body
used by the manufacturer’s Quality Systems.
Attention, refer to product instructions, EN/IEC 60601-1
10101

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
1-6
Vent. mode
VCV
a-VCV
SIMV - VC
Bi-Level
Bi-Level VG
PSV
CPAP
CPAP/PSV
APD
ARC
ASR
NEB
NIV
OCV
Endot.tube
Trach.tube
NB
Newborn
Pmax
Plimit
Pinsp
PS
PEEP
Ppeak
Pplat
Pmean
Pmin
Ppeep
PEEP i
Paw
Rate
Ratesp
I:E
Ramp
PS ramp
Time window
T-Insp
I
E
P
t
Ventilation mode
Volume constant controlled Ventilation
Assisted Volume controlled Ventilation
Synchronized Intermittent Controlled Ventilation- volume constant
Bi Level pressure controlled ventilation
Bi Level pressure controlled, volume guarantee ventilation (optional)
Pressure Support Ventilation
Continuous positive airway pressure
CPAP with apnea Bi-Level back up ventilation
Automatic patient detection
Airway resistance compensation
Automatic suction routine
Nebulizer
Non Invasive Ventilation
Online oxygen calibration during ventilation
Endotracheal tube
Tracheal tube
Newborn extension (optional)
Newborn (optional)
Safety pressure, setting
Pressure limit, setting
Inspiratory pressure, setting
Pressure Support pressure, setting
Positive End Expiratory Pressure, setting
Highest airway pressure, measured within last breath, measured
Plateau pressure, measured
Mean airway pressure, measured
Lowest airway pressure, measured within last breath
Positive End Expiratory Pressure, measured
Intrinsic positive End Expiratory Pressure, measured
Airway pressure in general
Total number of breaths per minute, measured and setting
Number of spontaneous breaths per minute, measured
Inspiratory to Expiratory time ratio, setting
Ramp time between lower and upper Bi-level, setting
Ramp time between PEEP level and PS pressure level, setting
Trigger time window, setting
Inspiration time, setting
Inspiration time, calculated
Expiration time, calculated
Inspiratory pause time in % of inspiration time, calculated
Time in general
1.4 Abbreviation used in this manual or on the equipment

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 1-7
R
C
Vt
TV
MV
MVsp
MVsp %
I-Flow
Trigg.
Byflow
PS endflow
Flow
Fi-O2
O2-I
I
O
or AC
or DC
Ref
SN
Rev. x.nn.p
O240 … 80 PSI
AIR 40 … 80 PSI
24V/3A DC
Serial Port
Resistance of breathing system plus patient, measured
Compliance of breathing system plus patient, measured
Tidal volume, setting
Tidal volume, measured
Total minute volume, measured
Spontaneous minute volume, measured
Percentage of spontaneous minute volume in total minute volume, calculated
Inspiratory flow, setting
Trigger flow required to trigger an assisted breath, setting
Bias flow, setting
End-of-flow criteria for PS pressure support, setting
Flow in general
Inspiratory O2 concentration, setting
Inspiratory O2 concentration, measured
On (power), line supply
Off (power), line supply
Alternating current
Direct current
Stock number
Serial number
Software revision number, nn = version, p = patch
O2 gas supply input with a pressure range of 40 … 80 PSI
AIR gas supply input with a pressure range of 40 … 80 PSI
DC supply input with a voltage of 24 V and a maximum current of 3 A
Connection for serial data transfer

1 Introduction
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
1-8
Notes

TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 2-1
In this section
2.1 General description 2-2
2.2 Centiva/5 Plus CC ventilator features 2-3
2.2.1 Safety features 2-3
2.3 Centiva/5 Plus CC ventilator main assemblies 2-4
2.4 Electrical components 2-5
2.5 Pneumatic components 2-12
2Theory of operation

2 Theory of operation
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
2-2
The Centiva/5 Plus CC ventilator is a microprocessor based, electronically
controlled, pneumatically driven ventilator with built-in monitoring capabilities for
•Inspired oxygen concentration
•Airway pressure
•Airway flow
•Exhaled volume.
The ventilator is intended to be used:
•To ventilate patients, adults and children with 5 kg body weight and up
•To ventilate newborn patients with 2 kg body weight and up (optional)
•In intensive care, recovery room, intra clinical patient relocation, general
ventilation
The ventilator compensates for
•System compliance
•Inspiratory and expiratory resistance
•Leakage
The ventilator allows
•Invasive ventilation
•Non-invasive ventilation
•Nebulizer operation
The ventilator is capable of the following ventilation modes
(English name) (Language specific name)
•VCV, (a-VCV) VCV, CMV
•SIMV-VC SIMV/ASB, VACI/AI
•Bi-Level VG Bi-Level VG (optinal)
•Bi-Level Bi-Level/ASB
•CPAP/PSV CPAP/AI, CPAP/ASB
2.1 General description

2 Theory of operation
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 2-3
2.2.1 Safety features
•On-board diagnostic software to ease servicing.
•Ventilator hardware is tested during the initial power-up system test.
•PEEP is generated electronically
•An exhalation valve modulates the patient’s pressure pattern.
•The exhalation valve assembly is electronically locked and can be
autoclaved.
•Double stage inspiration valves per gas modulate the patient’s flow pattern.
•Sensors in the breathing circuit are used to control and monitor patient
ventilation and measure inspired oxygen concentration.
•User settings and microprocessor calculations control breathing patterns.
•Main engine RS 232 serial digital communication port connects to and
communicates with external devices, using the Ohmeda Com 1.0 protocol.
•Front panel RS 232 serial digital communication port connects to and
communicates with external devices, such as:
•PC or Laptop for downloading trend and event data
•Additional hardware components for future options
•Configuration screen to customize Centiva/5 Plus to customer needs
•Multilanguage onboard software
•Touch screen capability
•Optionalization by serialized codes
•Dual redundant airway overpressure protection
•Electronically controlled (active) overpressure protection linked to P max.
•Passive overpressure relief valve, set at fixed value (75 mbar)
•Sub atmospheric pressure relief valve (free breathing valve)
•Single gas operation capability
•Back-up battery supply for minimum 30 minutes operation
2.2 Centiva/5 Plus CC ventilator features

2 Theory of operation
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
2-4
Main engine
Control panel
Expiration valve
The Centiva/5 Plus CC ventilator has three (3) user accessible main assemblies
•The main engine
•The control panel
•The expiration valve
The user can separate these three assemblies without using any tools.
Standard Newborn
2.3 Centiva/5 Plus CC ventilator main assemblies

2 Theory of operation
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05 2-5
The Centiva/5 Plus electrical components are described in the following in order of
-Power supply
-Main engine
-Control panel.
On the next page an overview diagram shows all electrical components in one
diagram.
Most of the components are located on the two main boards
-Main board A (control panel)
-Main board B (main engine)
The following components are not located on the main boards
-EC 01, EC 02, EC 03, EC 04, EC 05, EB S10, EB S15 are located
within the mains engine’s cabinet
-EB S20 is located within the inspiratory connection
-EB M00, EB M03, EB M04, EB M08, EB M09, are located within the
pneumatic assembly
-EB M20, EB M21, EB M22 are located within the nebulizer add on of
the pneumatic assembly
-EA S05, EA S10, EA S11, EA S12, EA S13 are located within the
control panel’s cabinet.
-EA S15, EA S16, EA S20 are located within the front panel of the
control panel.
2.4 Electrical components

2 Theory of operation
TRM, Centiva/5 Plus, M1047448/CM-922026, rev. 3.50.a of 11/05
2-6