S5 Avance Technical Reference Manual Nov 2003

S/5 Avance 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 identification. AAA F 12345 This alpha character indicates the year of product manufacture and when the serial number was assigned; “D” = 2000, “E” = 2001, “F” = 2002, etc. “I” and “O” are not used.

S/5 and Avance are registered trademarks of Datex-Ohmeda Inc. Other brand names or product names used in this manual are trademarks or registered trademarks of their respective holders. 11/03

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Technical Reference Manual

S/5 Avance Anesthesia Machine

This document is not to be reproduced in any manner, nor are the contents to be disclosed to anyone, without the express authorization of the product service department, Datex-Ohmeda, Ohmeda Drive, PO Box 7550, Madison, Wisconsin, 53707.

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2003 Datex-Ohmeda Inc. i

S/5 Avance

Important The information contained in this Technical Reference manual pertains only to those models of products which are marketed by Datex-Ohmeda as of the effective date of this manual or the latest revision thereof. This Technical Reference manual was prepared for exclusive use by Datex-Ohmeda service personnel in light of their training and experience as well as the availability to them of parts, proper tools and test equipment. Consequently, Datex-Ohmeda provides this Technical Reference manual to its customers purely as a business convenience and for the customer's general information only without warranty of the results with respect to any application of such information. Furthermore, because of the wide variety of circumstances under which maintenance and repair activities may be performed and the unique nature of each individual's own experience, capacity, and qualifications, the fact that customer has received such information from Datex-Ohmeda does not imply in anyway that Datex-Ohmeda deems said individual to be qualified to perform any such maintenance or repair service. Moreover, it should not be assumed that every acceptable test and safety procedure or method, precaution, tool, equipment or device is referred to within, or that abnormal or unusual circumstances, may not warrant or suggest different or additional procedures or requirements. This manual is subject to periodic review, update and revision. Customers are cautioned to obtain and consult the latest revision before undertaking any service of the equipment. Comments and suggestions on this manual are invited from our customers. Send your comments and suggestions to the Manager of Technical Communications, Datex-Ohmeda, Ohmeda Drive, PO Box 7550, Madison, Wisconsin 53707.

w CAUTION

Servicing of this product in accordance with this Technical Reference manual should never be undertaken in the absence of proper tools, test equipment and the most recent revision to this service manual which is clearly and thoroughly understood.

Technical Competence The procedures described in this Technical Reference manual should be performed by trained and authorized personnel only. Maintenance should only be undertaken by competent individuals who have a general knowledge of and experience with devices of this nature. No repairs should ever be undertaken or attempted by anyone not having such qualifications. Datex-Ohmeda strongly recommends using only genuine replacement parts, manufactured or sold by Datex-Ohmeda for all repair parts replacements. Read completely through each step in every procedure before starting the procedure; any exceptions may result in a failure to properly and safely complete the attempted procedure.

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Table of Contents

Important...ii Technical Competence...ii

1 Introduction 1.1 What this manual includes...1-2 1.2 User’s Reference manuals...1-2 1.3 What is an S/5 Avance anesthesia machine?...1-3 1.4 Anesthesia system components...1-4 1.5 Breathing system components...1-6 1.6 Display controls...1-7 1.7 Anesthesia system display...1-8 1.7.1 Using menus... 1-10 1.8 Symbols used in the manual or on the equipment... 1-11

2 Theory of Operation 2.1 Electrical system...2-2 2.2 Power subsystem...2-4 2.2.1 Power Controller board...2-5 2.2.2 Power distribution...2-6 2.3 Display Unit...2-8 2.4 System communications...2-9 2.5 System connections... 2-10 2.5.1 Display Unit... 2-10 2.5.2 Display Connector board... 2-10 2.6 Power Controller and Anesthesia Control board connections... 2-11 2.7 Anesthesia Control board... 2-12 2.8 Electronic Gas Mixer... 2-14 2.9 Ventilator Interface board... 2-16 1009-0357-000 11/03

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S/5 Avance 2.10 Gas flow through the anesthesia machine... 2-18 2.10.1 Overview... 2-18 2.10.2 Physical connections... 2-22 2.10.3 Suction regulators... 2-23 2.11 Flow through the breathing system... 2-24 2.11.1 Overview of flow paths... 2-24 2.11.2 Manual ventilation... 2-25 2.11.3 Mechanical ventilation... 2-28 2.11.4 Fresh gas and O2 flush flow (with SCGO)... 2-31 2.11.5 Fresh gas and O2 flush flow (with ACGO)... 2-33 2.12 Ventilator mechanical subsystems... 2-35 2.12.1 Drive gas filter and Gas Inlet Valve... 2-35 2.12.2 Pressure regulator... 2-36 2.12.3 Flow control valve... 2-36 2.12.4 Drive Gas Check Valve (DGCV)... 2-37 2.12.5 Bellows Pressure Relief Valve... 2-37 2.12.6 Exhalation valve... 2-38 2.12.7 Mechanical Overpressure Valve... 2-39 2.12.8 Reservoir and bleed resistor... 2-39 2.12.9 Free breathing valve... 2-40 2.12.10 Breathing circuit flow sensors... 2-40

3 Checkout Procedure 3.1 Inspect the system...3-2 3.2 System “All checks”...3-3 3.2.1 Low P leak check...3-3 3.2.2 Quick check...3-4 3.2.3 Vent check...3-4 3.2.4 Circuit O2 cell check...3-4 3.3 Backlight test...3-5 3.4 Vaporizer back pressure test...3-5 3.5 Pipeline and cylinder tests...3-6 3.5.1 O2 supply alarm test...3-6 3.6 Pressure relief tests...3-7 3.7 Flush Flow Test...3-8 3.8 Alarm tests...3-9 3.9 Alternate O2 flowmeter tests... 3-10 3.10 Auxiliary O2 flowmeter tests... 3-10 3.11 Integrated Suction Regulator tests... 3-10 3.12 Power failure test... 3-11 3.13 Electrical safety tests... 3-11 iv

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Table of Contents

4 Installation and Service Menus 4.1 Service and Installation menu structure...4-2 4.2 Install/Service Menu (Super User)...4-3 4.2.1 Colors Menu...4-4 4.2.2 Units Menu...4-4 4.2.3 Factory Defaults...4-5 4.3 Installation Menu...4-6 4.3.1 Configuration...4-7 4.3.2 Units Menu...4-8 4.3.3 Options Key...4-8 4.3.4 Copy Configuration...4-9 4.4 Service Menu... 4-10 4.4.1 Software/Hardware Ver Menu... 4-11 4.4.2 Service Log Menu... 4-12 4.4.3 Calibration... 4-13 4.4.4 Manifold P Span... 4-14 4.4.5 Insp Flow Zero... 4-15 4.4.6 Inspiratory Flow Valve... 4-16 4.4.7 Bleed Resistor... 4-18 4.4.8 Paw Span... 4-19 4.4.9 Zero Gas Xducer... 4-20 4.4.10 Cal Config... 4-21

5 Calibration 5.1 Primary Regulators...5-2 5.1.1 Test setup...5-3 5.1.2 Testing Primary Regulators...5-3 5.1.3 Adjusting Primary Regulators...5-8 5.2 O2 Flush Regulator...5-9 5.3 Adjust Drive Gas Regulator... 5-10 5.4 Ventilator Calibrations... 5-11 5.4.1 Cal Config... 5-11 5.4.2 Manifold P Span... 5-12 5.4.3 Insp Flow Zero... 5-12 5.4.4 Inspiratory Flow Valve Cal... 5-13 5.4.5 Bleed Resistor Cal... 5-13 5.4.6 Paw Span... 5-14

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S/5 Avance

6 Maintenance 6.1 S/5 Avance Planned Maintenance...6-2 6.1.1 Every twelve (12) months...6-2 6.1.2 Every twenty-four (24) months...6-3 6.1.3 Every forty-eight (48) months...6-3 6.2 Free breathing valve maintenance...6-4 6.3 MOPV pressure relief valve test...6-5 6.3.1 Test setup...6-5 6.3.2 Test procedure...6-5 6.4 Pressure Limit Circuit test...6-6 6.5 Mixer test...6-8 6.5.1 Mixer outlet check valve leak test...6-8 6.5.2 Mixer flow verification...6-8 6.6 Alternate O2 flowmeter tests...6-9 6.7 Auxiliary O2 flowmeter tests... 6-10 6.8 Integrated Suction Regulator tests... 6-11 6.9 Battery capacity test... 6-13

7 Troubleshooting 7.1 General Troubleshooting...7-2 7.2 Breathing System Leak Test Guide...7-4 7.2.1 Check Valves...7-5 7.2.2 Breathing System Troubleshooting Flowcharts...7-6 7.2.3 Leak Isolation Tests... 7-11 7.3 Technical Alarms... 7-26 7.4 Steps and Messages displayed during the System Checkout:... 7-45 7.4.1 Steps for the Quick Check... 7-45 7.4.2 Steps for the Vent Check... 7-47

8 Service Diagnostics and Software Download 8.1 Avance Service Application...8-2 8.1.1 Main Menu and System Information...8-2 8.1.2 Power Diagnostics...8-3 8.1.3 Power Controller Power Diagnostics...8-4 8.1.4 Anesthesia Control Board Power Diagnostics...8-6 8.1.5 Electronic Mixer Power Diagnostics...8-8 8.1.6 Ventilator Interface Board Power Diagnostics...8-9 8.1.7 Display Unit Power Diagnostics... 8-10

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Table of Contents 8.2 Gas Diagnostics... 8-11 8.2.1 Gas Supplies... 8-12 8.2.2 Mixer Output... 8-13 8.2.3 Mixer Tests and Pressure... 8-14 8.2.4 Mixer Temperature... 8-15 8.2.5 Setting Gas Flow... 8-16 8.2.6 Breathing System Leak Test... 8-17 8.3 Ventilation Diagnostics... 8-18 8.3.1 Status... 8-19 8.3.2 Vent Flow and Pressure... 8-20 8.4 Display Diagnostics... 8-21 8.5 Special Functions... 8-22 8.5.1 Mixer Service Menu... 8-23 8.5.2 View Revision Log... 8-24 8.5.3 View PC Card Install Log... 8-24 8.6 Software Download... 8-25

9 Repair Procedures 9.1 How to bleed gas pressure from the machine...9-3 9.2 How to remove the rear panels...9-4 9.2.1 To remove the rear upper panel...9-4 9.2.2 To remove the lower access panels...9-4 9.3 How to remove the tabletop...9-5 9.4 Servicing the Display Unit...9-6 9.4.1 Remove the Display Unit...9-6 9.4.2 Disassemble the Display Unit...9-7 9.4.3 To replace the CPU board...9-8 9.4.4 To replace the LCD display...9-9 9.4.5 To replace the backlights... 9-10 9.4.6 To replace the Inverters... 9-11 9.4.7 To replace the front enclosure or components... 9-12 9.5 Replacing the Display and MGAS cables... 9-14 9.5.1 Remove the MGAS oxygen partition... 9-14 9.6 Servicing the lower electrical enclosure components... 9-15 9.6.1 Power Controller board... 9-15 9.6.2 Anesthesia Control board... 9-16 9.6.3 Backup batteries... 9-17 9.6.4 Fan... 9-18 9.6.5 Display Connector board... 9-18

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S/5 Avance 9.7 Servicing the pan electrical enclosure components... 9-19 9.7.1 Electronic Gas Mixer assembly... 9-19 9.7.2 Ventilator Interface board... 9-20 9.7.3 Filter board... 9-21 9.7.4 Pan Connector board... 9-22 9.7.5 Pan enclosure fan... 9-22 9.8 Servicing the Vent Engine... 9-23 9.8.1 To remove the Vent Engine... 9-24 9.8.2 Replacing Vent Engine components... 9-25 9.8.3 Replacing GIV components... 9-26 9.9 Servicing the pipeline inlet manifold components... 9-27 9.9.1 Replace pipeline inlet filter... 9-27 9.9.2 Replace pipeline inlet check valve... 9-27 9.9.3 Replace the inlet manifold... 9-28 9.10 Service the cylinder supply modules... 9-29 9.10.1 Replace primary regulator module (complete replacement)... 9-29 9.10.2 Replace cylinder inlet filter... 9-30 9.10.3 Replace cylinder check valve... 9-30 9.11 Replace gas-supply pressure transducers... 9-31 9.12 Service vaporizer manifold parts... 9-32 9.12.1 Repair manifold port valve... 9-32 9.12.2 Checkout procedure for manifold port valve... 9-33 9.12.3 Replace vaporizer manifold check valve... 9-34 9.12.4 Replace vaporizer pressure relief valve... 9-36 9.12.5 Replace vaporizer manifold... 9-37 9.13 Clean or replace ACGO port flapper valve... 9-38 9.14 Replace the APL valve... 9-39 9.15 Replace the bag support arm... 9-40 9.15.1 Servicing the bag support arm... 9-41 9.16 Replace system switch assembly... 9-42 9.17 Replace Alt O2 components... 9-44 9.18 Replace auxiliary O2 flowmeter... 9-45 9.19 Replace the suction regulator... 9-46 9.20 Replace task light components... 9-47 9.20.1 To replace the task light switch... 9-47 9.20.2 To replace the upper task light... 9-47 9.20.3 To replace the lower task light... 9-48

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Table of Contents 9.21 Replace ABS breathing system components... 9-49 9.21.1 Replace Bag/Vent switch assembly... 9-49 9.21.2 Replace bellows base latch assembly... 9-50 9.22 Replace casters... 9-51 9.23 Reconfigure sample gas return line... 9-52 9.24 Change drive gas... 9-53

10 Illustrated Parts 10.1 Service tools... 10-3 10.1.1 Software tools... 10-3 10.1.2 Manifold pressure test adapter... 10-3 10.1.3 Test Devices... 10-4 10.1.4 Lubricants and Adhesives... 10-4 10.1.5 Test Tools... 10-5 10.2 External components - front view... 10-6 10.3 External components - front view references... 10-7 10.4 External Components - rear view... 10-8 10.5 AC Power cords and AC Inlet filter... 10-9 10.6 AC Inlet/Outlet Components... 10-10 10.7 Display Unit... 10-12 10.8 Lower electronic enclosure components... 10-14 10.9 Pan electronic enclosure components... 10-15 10.10 Electronic Gas Mixer... 10-16 10.11 Pipeline inlet fittings... 10-17 10.12 Cylinder Gas Supplies... 10-18 10.12.1 Cylinder inlet fittings... 10-19 10.13 Vaporizer manifold... 10-20 10.14 Vent Engine Housing... 10-21 10.15 Vent Engine... 10-22 10.15.1 Vent Engine - under side... 10-23 10.16 ABS to machine Interface Components (SCGO)... 10-24 10.17 ABS to machine Interface Components (ACGO)... 10-25 10.18 Flush Regulator and Flush Valve... 10-26 10.19 Front panel, Alt O2, and system switch... 10-27 10.20 Breathing system interface... 10-28

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S/5 Avance 10.21 Breathing System 10-29 10.21.1 APL Valve 10-29 10.21.2 Bag/Vent Switch 10-30 10.21.3 Absorber canister 10-31 10.21.4 Flow Sensor Module 10-32 10.21.5 Breathing Circuit Module 10-33 10.21.6 Exhalation valve 10-34 10.21.7 Bellows 10-35 10.21.8 Bellow base 10-36 10.21.9 Bag Arms 10-37 10.22 Anesthetic Gas Scavenging System - AGSS 10-38 10.22.1 Passive AGSS 10-38 10.22.2 Adjustable AGSS 10-40 10.22.3 Active AGSS 10-42 10.23 AGSS gauge, and sample return 10-44 10.23.1 Airway module (MGAS) components 10-45 10.24 Integrated Suction Regulator 10-46 10.24.1 Major Components (Continuous and Venturi suction) 10-46 10.24.2 Suction Control Module 10-47 10.24.3 Venturi assembly 10-48 10.25 Auxiliary O2 Flowmeter 10-49 10.26 Rear panel components 10-50 10.27 Tabletop components 10-51 10.28 Right-side Components 10-52 10.29 External components - lower assembly 10-53 10.30 Drawer 10-54 10.31 Fittings and tubing charts 10-55 10.31.1 Legris quick-release fittings 10-55 10.32 Vent Drive and low-pressure tubing 10-56 10.33 Tubing for use with Legris fittings 10-58 10.34 Cables and harnesses 10-60 10.35 Cables and harnesses in lower electronic enclosure 10-62 10.36 Cables and harnesses in Pan enclosure 10-64

11 Schematics and Diagrams

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1 Introduction

In this section

This section provides a general overview of the S/5 Avance anesthesia machine. 1.1 What this manual includes...1-2 1.2 User’s Reference manuals...1-2 1.3 What is an S/5 Avance anesthesia machine?...1-3 1.4 Anesthesia system components...1-4 1.5 Breathing system components...1-6 1.6 Display controls...1-7 1.7 Anesthesia system display...1-8 1.7.1 Using menus... 1-10 1.8 Symbols used in the manual or on the equipment... 1-11

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S/5 Avance

1.1 What this manual includes This manual covers the service information for the S/5 Avance line of anesthesia machines. It covers the following components: • Display Unit • Integral electronics • Gas delivery components • Breathing system components • Frame component • Optional suction regulator • Optional auxiliary O2 flowmeter

Other equipment

Other equipment may be attached to the system on a display mount, the top shelf, or on the side dovetail rails. Consult separate documentation relative to these items for details.

1.2 User’s Reference manuals Some sections of this manual refer you to the User’s Reference manual for the S/5 Avance. To expedite repairs, you must have, and be familiar with, the User’s Reference manuals for this product. Refer to the S/5 Avance User’s Reference manual if you need further information about the operation of the system.

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1 Introduction

1.3 What is an S/5 Avance anesthesia machine?

AB.91.024

The S/5 Avance anesthesia machine is a compact, integrated, and intuitive anesthesia delivery system. It provides electronic gas mixing and optional integrated respiratory gas monitoring.

Figure 1-1 • S/5 Avance system

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S/5 Avance

1.4 Anesthesia system components

1 2

8

3 4

7

AB.91.028

5

6

1. Anesthesia system display 2. Dovetail rails 3. Vaporizer 4. Alternate O2 5. System switch 6. Brake 7. O2 flush button 8. Breathing system

Figure 1-2 • Front view

1-4

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1 Introduction

1 2

7

AB.43.085

3

6 5 4

1. Outlet Circuit breaker (optional) 2. Electrical outlet (optional) 3. Cylinders supplies 4. Equipotential stud 5. Mains inlet 6. System circuit breaker 7. Pipeline connections

Figure 1-3 • Rear view 1009-0357-000 11/03

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S/5 Avance

1.5 Breathing system components

AB.91.023

15

16

14 13 12 11 10

AB.91.045

1 2

9 8 6

54

3

7

1. Expiratory check valve 2. Inspiratory check valve 3. ACGO (optional) 4. Inspiratory flow sensor 5. Expiratory flow sensor 6. Absorber canister 7. Absorber canister release 8. Leak test plug 9. Breathing system release 10. Manual bag port 11. Adjustable pressure-limiting (APL) valve 12. Bag/mechanical ventilation switch 13. Bellows assembly 14. Sample gas return port 15. AGSS indicator (only available on some AGSS versions) 16. Bag support arm (optional)

Figure 1-4 • Breathing system 1-6

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1 Introduction

1.6 Display controls

Silence Alarms

1

Alarms Setup

Help

2

Main Menu

Checkout

AB.91.073

Start/End Case

4 Gas Setup

Vent Setup

Normal Screen

3

2

Item

Description

1

Alarm silence key

Push to silence any active, silenceable high and medium priority alarms. Alarm is silenced for 120 seconds.

2

Menu keys

Push to show corresponding menu.

3

ComWheel

Push to select a menu item or confirm a setting. Turn right or left to scroll menu items or change settings.

4

Quick keys

Push to change corresponding gas setting or vent setting. Use the ComWheel to make a change. Push the ComWheel to activate the change.

Figure 1-5 • Ventilator controls 1009-0357-000 11/03

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S/5 Avance

1.7 Anesthesia system display

2

3

4

5

1

AB.91.002

6

9

8

7

1. Electronic gas flow tubes 2. Alarm silence countdown 3. Alarm message fields 4. Waveform field 5. Clock 6. Number field 7. Free number display 8. Ventilator settings 9. Gas settings

Figure 1-6 • Normal view

1-8

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