Aisys Anesthesia Machine Technical Reference Manual Nov 2014

Aisys Datex-Ohmeda, Inc., a General Electric Company, doing business as GE Healthcare. 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. The serial number can be in one of two formats. A AA X 11111

AAA XX 111111AA

The X represents an alpha character The XX represents a number indicating indicating the year the product was the year the product was manufactured; manufactured; H = 2004, J = 2005, etc. 04 = 2004, 05 = 2005, etc. I and O are not used.

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. Replace damaged parts with components manufactured or sold by GE Healthcare. Then test the unit to ascertain that it complies with the manufacturers’s published specifications. 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.

Aisys, Carestation, Easy-Fil, Advanced Breathing System, ComWheel, D-fend. EZchange, Disposable Multi Absorber, Reusable Multi Absorber, PSVPro, SmartVent, Aladin, and Aladin2 are trademarks of General Electric Company or one of its subsidiaries. Other brand names or product names used in this manual are trademarks of their respective holders.

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M1046983

Technical Reference Manual

Aisys Anesthesia Machine This manual supports: Factory built Aisys machines using the High Performance Display Unit (HPDU). Field upgraded machines using the touch screen CS2 Display Unit (CS2DU).

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, 53707-7550.

© 2005-2014 Datex-Ohmeda Inc. M1046983 11/14

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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 any way 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.

w WARNING

Do not modify this equipment without authorization from the manufacturer. Unauthorized modifications could result in damage to the equipment and/or cause patient injury. Changes or modification to this equipment not expressly approved by the manufacturer could cause EMC issues with this or other equipment. Contact the manufacturer for assistance. This device is designed and tested to comply with applicable regulations regarding EMC as follows: • Use of portable phones or other radio frequency (RF) emitting equipment (that exceed electromagnetic interference levels specified in IEC 60601-1-2) near the system may cause unexpected or adverse operation. Monitor operation when RF emitters are in the vicinity. • Use of other electrical equipment adjacent to or stacked with this system may cause interference. Verify normal operation of equipment in the system before use on patients.

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Table of Contents

Technical Competence... Important...ii

1 Introduction 1.1 What this manual includes...1-2 1.2 Respiratory Gas Modules...1-2 1.3 User’s Reference manuals...1-2 1.4 Overview...1-3 1.5 Anesthesia system components...1-4 1.6 Breathing system components...1-6 1.6.1 Optional system components... 1-7 1.7 Display controls [HPDU]...1-8 1.7.1 Anesthesia system display... 1-9 1.7.2 Using menus... 1-11 1.8 Display controls [CS2DU]... 1-12 1.8.1 Touch points... 1-13 1.8.2 Anesthesia system display... 1-15 1.8.3 Display navigation... 1-16 1.9 System Information [HPDU]... 1-18 1.9.1 System classification... 1-18 1.9.2 Device standards... 1-18 1.9.3 Environmental requirements... 1-18 1.9.4 Physical specifications... 1-19 1.10 System Information [CS2DU]... 1-20 1.10.1 System classification... 1-20 1.10.2 Device standards IEC 60601-1:2005... 1-20 1.10.3 Device standards IEC 60601-1:1988... 1-20 1.10.4 Environmental requirements... 1-21 1.10.5 Physical specifications... 1-21 1.11 Communication with OEM devices by Network/Data coupling... 1-23 1.12 Symbols used in the manual or on the equipment... 1-24

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Aisys 2 Theory of Operation 2.1 Electrical system...2-2 2.2 Power subsystem...2-4 2.2.1 U-Frame Power Supply...2-5 2.2.2 Power Controller board overview...2-5 2.2.3 Power distribution...2-6 2.2.4 Power Controller Board...2-8 2.3 Display Unit [CS2DU]... 2-12 2.4 Display Unit [HPDU]... 2-14 2.5 System communications... 2-15 2.5.1 Software Power On Self Tests (POST)... 2-17 2.6 System connections... 2-19 2.6.1 Display Unit [HPDU]... 2-19 2.6.2 Display Unit [CS2DU]... 2-19 2.6.3 Display Connector board... 2-20 2.7 Power Controller and Anesthesia Control board connections... 2-21 2.8 Anesthesia Control board... 2-22 2.8.1 Overview... 2-22 2.8.2 Anesthesia Control Board details... 2-24 2.9 Ventilator Interface board (original)... 2-28 2.10 Consolidated Ventilator Interface board (cVIB)... 2-30 2.11 Electronic Gas Mixer... 2-32 2.11.1 Electronic Gas Mixer (details)... 2-34 2.12 Electronic Vaporizer... 2-36 2.12.1 Agent cassette... 2-36 2.12.2 Electronic Vaporizer subsystem (eVap)... 2-38 2.12.3 Agent Delivery board LED indicators... 2-42 2.12.4 Et Control... 2-44 2.13 Gas flow through the anesthesia machine... 2-48 2.13.1 Overview... 2-48 2.13.2 Electronic vaporizer... 2-50 2.13.3 Physical connections (O2 supply)... 2-54 2.13.4 Physical connections (N2O and Air supplies)... 2-55 2.13.5 Suction regulators... 2-56 2.14 Flow through the breathing system... 2-57 2.14.1 Overview of flow paths... 2-57 2.14.2 Manual ventilation... 2-58 2.14.3 Mechanical ventilation... 2-61 2.14.4 Fresh gas and O2 flush flow (with SCGO)... 2-68 2.14.5 Fresh gas and O2 flush flow (with ACGO)... 2-70

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Table of Contents 2.15 Ventilator... 2-72 2.15.1 Safety features... 2-72 2.16 Ventilator mechanical subsystems... 2-73 2.16.1 Drive gas filter and Gas Inlet Valve... 2-73 2.16.2 Pressure regulator... 2-74 2.16.3 Flow control valve... 2-74 2.16.4 Drive Gas Check Valve (DGCV)... 2-75 2.16.5 Bellows Pressure Relief Valve... 2-75 2.16.6 Exhalation valve... 2-76 2.16.7 Mechanical Overpressure Valve... 2-77 2.16.8 Reservoir and bleed resistor... 2-77 2.16.9 Free breathing valve... 2-78 2.16.10 Breathing circuit flow sensors... 2-79

3 Checkout Procedure 3.1 Inspect the system...3-2 3.1.1 Verify annunciators...3-3 3.2 System checkout [for machines with HPDU]...3-3 3.2.1 Leak < 250 ml...3-3 3.2.2 Machine Check...3-4 3.2.3 Machine Check - System (Ventilator Circuit Testing)...3-4 3.2.4 Machine Check - Circuit (Bag Circuit Testing)...3-5 3.2.5 Machine Check - Circuit O2...3-5 3.2.6 Machine Check - Monitor...3-5 3.3 Individual Checks [for machines with HPDU]...3-6 3.3.1 System...3-6 3.3.2 Circuit...3-7 3.3.3 Circuit O2 Cell...3-7 3.3.4 Low P Leak...3-7 3.3.5 Low P Leak for machines with ACGO...3-8 3.3.6 Agent Delivery...3-8 3.3.7 Bellows drop test...3-8 3.4 Backlight test [for macines with HPDU]...3-9 3.5 System checkout overview [for machines with CS2DU]... 3-10 3.5.1 Individual Tests... 3-10 3.5.2 Optional Tests... 3-11 3.5.3 Test outcomes... 3-11 3.6 System checkout procedure [for machines with CS2DU]... 3-12 3.6.1 Full Test... 3-12

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Aisys 3.7 Individual Tests [for machines with CS2DU]... 3-14 3.7.1 Vent and Gas... 3-14 3.7.2 Circuit Leak... 3-15 3.7.3 Circuit O2 Cell... 3-15 3.7.4 Low P Leak test on a SCGO equipped system... 3-16 3.7.5 Low P Leak test on an ACGO equipped system... 3-16 3.7.6 Agent Delivery... 3-17 3.7.7 Bellows drop test... 3-17 3.8 Pipeline and cylinder tests [All machines]... 3-18 3.8.1 O2 supply alarm test... 3-18 3.9 Flush Flow Test [All machines]... 3-19 3.10 Alarm tests [All machines]... 3-20 3.11 Alternate O2 flowmeter tests [All machines]... 3-21 3.12 Auxiliary O2 flowmeter tests [All machines]... 3-21 3.13 Integrated Suction Regulator tests [All machines]... 3-21 3.14 Power failure test [All machines]... 3-22 3.15 Electrical safety tests [All machines]... 3-22

4a Install/Service Menus (SW 6.X and 7.X) 4a.1 Service and Installation menu structure...4a-2 4a.2 Installation Menu...4a-3 4a.2.1 Configuration...4a-4 4a.2.2 Configuration Units...4a-5 4a.2.3 Options Key...4a-5 4a.2.4 Copy Configuration...4a-6 4a.3 Service Menu...4a-7 4a.3.1 Software/Hardware Ver Menu...4a-8 4a.3.2 Service Log Menu...4a-9 4a.4 Calibration... 4a-10 4a.4.1 Spiro Calibration... 4a-11 4a.4.2 User Calibration menu... 4a-12 4a.4.3 Manifold P Span... 4a-13 4a.4.4 Inspiratory Flow Valve... 4a-14 4a.4.5 Bleed Resistor... 4a-15 4a.4.6 Paw Span... 4a-16 4a.4.7 Zero Gas Xducrs... 4a-17 4a.4.8 Cal Config... 4a-18 4a.4.9 Mixer P Zero... 4a-19

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Table of Contents 4b Installation and Service Menus (SW 8.X) 4b.1 Installation and Service menu structure... 4b-2 4b.2 Installation Menu... 4b-3 4b.2.1 Configuration... 4b-4 4b.2.2 Units... 4b-5 4b.2.3 Leakage Limits... 4b-5 4b.2.4 Options Key... 4b-6 4b.2.5 Copy Configuration... 4b-7 4b.3 Service Menu... 4b-8 4b.3.1 Software/Hardware Ver Menu... 4b-9 4b.3.2 Service Log Menu... 4b-10 4b.4 Calibration... 4b-11 4b.4.1 Spiro Calibration... 4b-12 4b.4.2 User Calibration menu... 4b-13 4b.4.3 Manifold P Span... 4b-14 4b.4.4 Inspiratory Flow Valve... 4b-15 4b.4.5 Bleed Resistor... 4b-16 4b.4.6 Paw Span... 4b-17 4b.4.7 Zero Gas Xducrs... 4b-18 4b.4.8 Cal Config... 4b-19 4b.4.9 Mixer P Zero... 4b-20

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Aisys 4c Installation and Service Menus (SW ≥10.X) 4c.1 Installation and Service menu structure...4c-2 4c.2 Super User...4c-3 4c.3 Service menu...4c-4 4c.4 Installation menu...4c-4 4c.4.1 Configuration...4c-5 4c.4.2 Units...4c-6 4c.4.3 Leakage Limits...4c-6 4c.4.4 Depressurize Cassette - Yes/No...4c-6 4c.4.5 Factory Defaults...4c-6 4c.5 Options...4c-7 4c.5.1 Copy Configuration...4c-8 4c.6 Software/Hardware Information menu...4c-9 4c.7 Service Logs... 4c-10 4c.8 Calibrations... 4c-11 4c.8.1 User Calibrations... 4c-12 4c.8.2 Manifold P Span... 4c-13 4c.8.3 Inspiratory Flow Valve... 4c-14 4c.8.4 Bleed Resistor... 4c-16 4c.8.5 Paw Span... 4c-17 4c.8.6 Zero Gas Transducers... 4c-18 4c.8.7 Mixer P Zero... 4c-19 4c.9 Display Diagnostics... 4c-20

5 Calibration 5.1 Primary Regulators...5-2 5.1.1 Test setup for Primary Regulators... 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 Inspiratory Flow Valve Cal... 5-14 5.4.4 Bleed Resistor Cal... 5-16 5.4.5 Paw Span... 5-18

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Table of Contents 6 Installation and Functional Checks 6.1 Aisys Installation Checklist...6-2 6.2 Positive pressure relief valve functional check...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... 6-10 6.7 Auxiliary O2 flowmeter tests... 6-11 6.8 Integrated Suction Regulator tests... 6-12 6.9 Battery capacity test... 6-14 6.10 Cable routing, upper module rack... 6-15 6.10.1 Display Unit and Anesthesia Monitor... 6-16 6.10.2 Display arm... 6-16 6.10.3 Left-side cable route... 6-17 6.10.4 Upper left-side cable route... 6-17 6.10.5 Front side of Display Connector Board... 6-17 6.10.6 Upper module rack... 6-18 6.10.7 Rear cosmetic panel... 6-18 6.10.8 Additional cable access points to upper chassis... 6-18 6.11 Cable routing, lower module rack... 6-19 6.11.1 Display Unit and Anesthesia Monitor... 6-20 6.11.2 Display arm... 6-20 6.11.3 Left-side cable route... 6-21 6.11.4 Front side of Display Connector Board and lower module rack... 6-21 6.11.5 Rear cable route... 6-22 6.11.6 Right-side cable route... 6-23

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Aisys 7 Troubleshooting 7.1 Troubleshooting Guidelines...7-2 7.2 Troubleshooting high pressure and low pressure leaks...7-3 7.3 Troubleshooting Failed State...7-4 7.3.1 For machines running System Software 6.X/8.X... 7-4 7.3.2 For machines running System Software 10.X... 7-4 7.4 Troubleshooting Startup Screen (POST) messages - for HPDU...7-5 7.5 Troubleshooting Startup Screen (POST) messages - for CS2DU...7-6 7.6 Troubleshooting the HPDU display...7-7 7.7 Troubleshooting the CS2DU display...7-8 7.8 Breathing System Leak Test Guide...7-9 7.8.1 Check Valves... 7-10 7.8.2 Breathing System Troubleshooting Flowcharts... 7-11 7.8.3 Leak Isolation Tests... 7-16 7.9 System Troubleshooting Flowcharts... 7-44 7.10 System Malfunction and Alt O2 Flowchart Table... 7-59 7.11 Electronic Vaporizer (eVap) Troubleshooting... 7-61 7.11.1 Vaporizer Test Results... 7-61 7.11.2 Vaporizer Test Results troubleshooting procedures... 7-62 7.11.3 eVap Troubleshooting Flowchart... 7-66 7.11.4 eVap Error Log table... 7-67 7.11.5 eVap Flow and Zero troubleshooting... 7-68 7.11.6 eVap Pressure troubleshooting... 7-69 7.11.7 eVap Leak and Cassette troubleshooting... 7-70 7.11.8 eVap Communication troubleshooting... 7-71 7.11.9 eVap ADB troubleshooting... 7-72 7.11.10 eVap Temperature troubleshooting... 7-73 7.11.11 eVap Power and Valves troubleshooting... 7-74 7.11.12 Electronic vaporizer 10VA power interconnect fault isolation... 7-75 7.11.13 Vaporizer Checkout Troubleshooting... 7-76 7.12 eVap Therapy Cassette Leak Test... 7-80 7.13 eVap Backpressure Valve Test... 7-81 7.14 eVap Inflow Check Valve Test... 7-83 7.15 eVap Scavenger Path Testing... 7-85 7.16 Technical Alarms... 7-86

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Table of Contents 7.17 Steps and Messages displayed during the System Checkout... 7-125 7.17.1 Machine Check - System... 7-125 7.17.2 Machine Check - Circuit... 7-128 7.18 Et Control Troubleshooting [HPDU]... 7-129 7.18.1 Conditional Pass Message during “Machine Check - System”... 7-129 7.19 Et Control Troubleshooting [CS2DU]... 7-132 7.19.1 Conditional Pass Message during “Vent and Gas” check... 7-133 7.20 M-Gas Communication Dropout Troubleshooting... 7-136 7.20.1 Technical Bulletin MS HKI 06 010 (reproduced)... 7-137 7.21 VIB or cVIB Pneumatic Sense Tubing Leak Test... 7-139 7.22 Flow Sensor Accuracy Test... 7-140

8a Software Download and Special Functions (SW 6.X/8.X) 8a.1 Overview...8a-2 8a.1.1 Main Menu and System Information...8a-2 8a.2 Software Download...8a-3 8a.3 Special Functions...8a-5 8a.3.1 Display Diagnostics...8a-6 8a.3.2 Test Keys and Battery...8a-7 8a.3.3 System Download Log...8a-8

8b Software Download (SW ≥10.X) 8b.1 Overview... 8b-2 8b.1.1 Main Menu and System Information... 8b-2 8b.2 Software Download... 8b-3 8b.3 Software Compatibility Check... 8b-5

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Aisys 9 Repair Procedures 9.1 Circuit board replacement precautions...9-4 9.2 KEY/BID label (Key Code)...9-5 9.3 How to bleed gas pressure from the machine...9-6 9.4 How to remove the rear panels...9-7 9.4.1 To remove the rear upper panels...9-7 9.4.2 To remove the lower access panels...9-7 9.5 How to remove the tabletop...9-8 9.6 Servicing the pan electrical enclosure components...9-9 9.6.1 Ventilator Interface board (VIB)...9-9 9.6.2 Consolidated Ventilator Interface board (cVIB)... 9-10 9.6.3 Electronic Gas Mixer assembly... 9-11 9.7 How to access dashboard components... 9-12 9.8 Replace electronic vaporizer and components... 9-13 9.8.1 Remove the electronic vaporizer... 9-14 9.8.2 Replacing eVap components... 9-15 9.9 Servicing Aladin2 cassettes... 9-18 9.9.1 Emptying an Aladin2 cassette... 9-18 9.9.2 Aladin2 cassette parts replacement... 9-19 9.10 Replace Alt O2 components... 9-22 9.11 Replace system switch assembly... 9-23 9.11.1 Install replacement switch... 9-23 9.12 Replace auxiliary O2 flowmeter... 9-25 9.13 Servicing the High Performance Display Unit... 9-26 9.13.1 Remove the Display Unit... 9-26 9.13.2 Disassemble the Display Unit... 9-27 9.13.3 CPU Fan... 9-27 9.13.4 To replace the CPU board... 9-28 9.13.5 To replace the CPU “coin” battery... 9-29 9.13.6 To replace the LCD display... 9-30 9.13.7 To replace the backlights... 9-32 9.13.8 To replace the Inverters... 9-33 9.13.9 To replace the front enclosure or components... 9-34

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Table of Contents 9.14 Servicing the CS2 Display Unit... 9-36 9.14.1 Remove the Display Unit... 9-36 9.14.2 Disassemble the Display Unit... 9-37 9.14.3 To replace components... 9-38 9.14.4 To replace the Carrier board and Com Express board assembly... 9-39 9.14.5 To replace the LCD/Touch and front bezel assembly... 9-40 9.14.6 To replace the Keypad assembly... 9-42 9.14.7 To replace the CPU “coin” battery... 9-43 9.15 Servicing the lower electrical enclosure components... 9-44 9.15.1 Power Controller board... 9-44 9.15.2 Power Supply... 9-45 9.15.3 Anesthesia Control board... 9-46 9.15.4 Backup batteries... 9-47 9.16 Servicing the Vent Engine... 9-48 9.16.1 To remove the Vent Engine... 9-49 9.16.2 Replacing Vent Engine components... 9-50 9.16.3 Free breathing valve maintenance... 9-51 9.16.4 Replacing GIV components... 9-52 9.17 Servicing the pipeline inlet manifold components... 9-53 9.17.1 Replace pipeline inlet filter... 9-53 9.17.2 Replace pipeline inlet check valve... 9-53 9.17.3 Replace the inlet manifold... 9-54 9.18 Service the cylinder supply modules... 9-55 9.18.1 Tightening procedure for high-pressure tube fittings... 9-55 9.18.2 Replace primary regulator module (complete replacement)... 9-56 9.18.3 Install elbows on inboard cylinder supplies to reposition the pressure transducers... 9-57 9.19 Replace gas-supply pressure transducers... 9-58 9.20 Replace ACGO selector switch... 9-59 9.21 Clean or replace ACGO port flapper valve... 9-61 9.22 Replace the APL valve... 9-62 9.23 Replace the bag support arm... 9-64 9.23.1 Servicing the bag support arm... 9-65 9.23.2 Replace bag port housing... 9-66 9.24 Replace the canister release (CO2 bypass) switch... 9-67 9.25 Replace ABS breathing system components... 9-68 9.25.1 Replace Bag/Vent switch assembly... 9-68 9.25.2 Replace bellows base latch assembly... 9-69 9.25.3 EZchange Canister spring replacement... 9-70

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Aisys 9.26 Replace casters... 9-71 9.27 Reconfigure sample gas return line... 9-72 9.28 Change drive gas... 9-73 9.29 Display arm adjustments... 9-74 9.29.1 Display arm counterbalance adjustment... 9-74 9.29.2 Wrist Casting adjustment... 9-75 9.29.3 Clutch bearing adjustment... 9-75

10 Illustrated Parts 10.1 Service tools... 10-5 10.1.1 Software tools... 10-5 10.1.2 Test Devices... 10-6 10.1.3 Manifold pressure test adapter... 10-7 10.1.4 Canister release switch (CO2 bypass) spacer tool... 10-7 10.1.5 Electronic vaporizer (eVap) service tools... 10-7 10.1.6 Lubricants and Adhesives... 10-7 10.1.7 Test Tools... 10-8 10.1.8 Leak Test Tool Kit... 10-9 10.2 Components - front view... 10-10 10.3 Components - front view references... 10-11 10.4 Components - rear view... 10-12 10.5 AC Power cords and AC Inlet... 10-13 10.6 AC Inlet/Outlet Components... 10-14 10.7 Lower electronic enclosure components... 10-16 10.8 Pan electronic enclosure components (with cVIB)... 10-17 10.9 Pan electronic enclosure components (with original VIB)... 10-18 10.10 Electronic Gas Mixer... 10-19 10.11 Pipeline inlet fittings... 10-20 10.12 Cylinder Gas Supplies... 10-21 10.12.1 Power outlets and third cylinder high-pressure hoses... 10-22 10.12.2 Cylinder inlet fittings... 10-23 10.13 ABS to machine Interface Components (SCGO)... 10-24 10.14 ABS to machine Interface Components (ACGO)... 10-25 10.15 O2 Flush Valve... 10-26 10.16 Front panel, Alt O2, and system switch... 10-27 10.17 Vent Engine Housing... 10-28

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Table of Contents 10.18 Vent Engine... 10-29 10.18.1 Vent Engine - additional components... 10-30 10.19 Integrated Suction Regulator... 10-31 10.19.1 Components... 10-31 10.19.2 Suction Control Module... 10-32 10.19.3 Venturi assembly... 10-33 10.20 Et Control, Sample Gas Return, and Aux O2 Flowmeter... 10-34 10.20.1 Aux O2 Flowmeter... 10-35 10.21 Et Control pan components... 10-36 10.22 Tabletop components... 10-37 10.23 Rear panel components... 10-38 10.24 Panels, rear... 10-39 10.25 Panel, cosmetic upper right-side... 10-40 10.26 Panel, cosmetic lower right-side... 10-41 10.27 Panel, cosmetic upper left-side... 10-42 10.28 Panel, cosmetic lower left-side... 10-43 10.29 Electronic Vaporizer... 10-44 10.29.1 Electronic Vaporizer Agent Delivery... 10-45 10.29.2 Electronic Vaporizer - Valve Block... 10-46 10.29.3 Electronic Vaporizer - Flowmeter Assembly... 10-47 10.30 Aladin2 Cassette Components... 10-48 10.31 Anesthetic Gas Scavenging System - AGSS... 10-50 10.31.1 Passive AGSS... 10-50 10.31.2 Adjustable AGSS... 10-52 10.31.3 Active AGSS... 10-54 10.32 Side handle and flip-up shelf... 10-56 10.33 Legris quick-release fittings... 10-57 10.34 Vent Drive and low-pressure tubing... 10-58 10.35 Tubing for use with Legris fittings (O2 supplies)... 10-60 10.36 Tubing for use with Legris fittings (3rd cylinder)... 10-62 10.37 Tubing for use with Legris fittings (Air and N2O supplies)... 10-64 10.38 Cables and harnesses - with Filter board... 10-66 10.39 Cables and harnesses in lower electronic enclosure... 10-68 10.40 Cables and harnesses in Pan enclosure (with original VIB)... 10-70 10.41 Cables and harnesses - with cVIB... 10-72 10.42 Cables and harnesses in Pan enclosure (with cVIB)... 10-74 10.43 Airway module components [E-Gas/M -Gas]... 10-76 10.44 Airway module components [E-Gas/M -Gas/E-sGas]... 10-77

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Aisys 10.45 Breathing system interface... 10-78 10.46 Breathing System... 10-79 10.46.1 Bag/Vent Switch... 10-79 10.46.2 APL Valve... 10-80 10.46.3 Absorber canister... 10-81 10.46.4 Flow Sensor Module... 10-82 10.46.5 Breathing Circuit Module... 10-83 10.46.6 Exhalation valve... 10-84 10.46.7 Bellows... 10-85 10.46.8 Bellow base... 10-86 10.46.9 Bag Arms... 10-87 10.47 Outboard cylinder mount... 10-88 10.47.1 EZchange Canister system (CO2 Bypass)... 10-89 10.47.2 Condenser... 10-90 10.48 High Performance Display Unit [HPDU]... 10-92 10.48.1 Keypad sets for HPDU... 10-94 10.49 CS2 Display Unit [CS2DU]... 10-95 10.49.1 External components... 10-95 10.49.2 Display Unit [CS2DU]... 10-96 10.50 Display arm... 10-98 10.50.1 Display arm shroud and covers... 10-99 10.51 Wrist casting assembly mounting... 10-100 10.51.1 Wrist casting assembly... 10-101 10.51.2 Wrist casting bearing caps... 10-102 10.52 Display mounting solutions [HPDU]... 10-103 10.52.1 Default mounting (HPDU only - no monitors)... 10-103 10.52.2 HPDU with 12-inch monitor (horizontal) option 1011-8361-000... 10-103 10.52.3 HPDU with 15- or 17-inch monitor (horizontal) option 1011-8363-000... 10-104 10.52.4 HPDU with 12-, 15-, or 17-inch monitor (vertical) option 1011-8367-000... 10-104 10.53 Display mounting solutions [CS2DU]... 10-105 10.53.1 Default mounting (CS2DU only - no monitors)... 10-105 10.53.2 CS2DU with 15-, 17, or 19-inch monitor (horizontal) option 2065377-001-S... 10-105 10.53.3 CS2DU with 15-, 17-, or 19-inch monitor (vertical) option 2065378-001-S... 10-106 10.53.4 CS2DU with Horizontal display mount B650/B450/MX800... 10-107 10.53.5 CS2DU with Vertical display mount B650/B450/MX800... 10-108 10.54 Components - upper bay... 10-109

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Table of Contents 10.55 Drawer packs... 10-110 10.55.1 Drawer pack hardware... 10-111 10.55.2 Drawers... 10-112 10.55.3 Storage bay and lower rack... 10-113 10.55.4 Clipboard... 10-114 10.55.5 Cable raceway... 10-115 10.56 Suction bottle mounting arm kit... 10-116 10.57 Cable management arm... 10-117

11 Schematics and Diagrams 12 Service Application 12.1 Aisys Service Application (PC based)... 12-2 12.1.1 PC Requirements... 12-2 12.2 Startup screen - System Status... 12-3 12.3 System Schematics... 12-4 12.3.1 Power Schematic [with HPDU]... 12-4 12.3.2 Power Schematic [with CS2DU]... 12-5 12.3.3 Gas Delivery Schematic... 12-6 12.3.4 Vent Schematic... 12-7 12.3.5 Vaporizer Schematic... 12-8 12.4 Menu Items... 12-9 12.5 File menu... 12-10 12.5.1 File - Preferences... 12-10 12.6 Tools menu... 12-11 12.6.1 Tools - Communication Status... 12-11 12.6.2 Tools - System Calibrations... 12-12 12.6.3 Tools - Transfer Logs... 12-13 12.7 Power Diagnostics menu... 12-14 12.7.1 Power Diagnostics - Power Board... 12-14 12.7.2 Power Diagnostics - Anesthesia Control Board Power... 12-15 12.7.3 Power Diagnostics - Mixer Board Power... 12-16 12.7.4 Power Diagnostics - Vent Interface Board Power... 12-17 12.7.5 Power Diagnostics - Display Unit Power... 12-18 12.7.6 Power Diagnostics - Vaporizer Power... 12-19 12.8 Gas Delivery Subsystem menu... 12-20 12.8.1 Gas Delivery Subsystem - Gas Supply Status... 12-20 12.8.2 Gas Delivery Subsystem - Mixer Output... 12-21 12.8.3 Gas Delivery Subsystem - Mixer Pressure and Temperature... 12-22 12.8.4 Gas Delivery Subsystem - Gas Delivery Status... 12-23

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Aisys 12.8.5 Gas Delivery Subsystem - Mixer Post/Checkout Test Results... 12-24 12.8.6 Gas Delivery Subsystem - Perform Mixer Tests... 12-25 12.9 Vent Subsystem menu... 12-27 12.9.1 Vent Subsystem - Vent Status... 12-27 12.9.2 Vent Subsystem - Vent Flow and Pressure... 12-28 12.10 Vaporizer Subsystem menu... 12-29 12.10.1 Vaporizer Subsystem - Vaporizer Output... 12-29 12.10.2 Vaporizer Subsystem - Perform Vaporizer Test... 12-30 12.11 Gas Monitor menu [with HPDU]... 12-31 12.11.1 Gas Monitor Service... 12-31 12.12 Gas Monitor menu... 12-32 12.12.1 Gas Monitor Service... 12-32 12.12.2 Et Control (FGM) test procedure... 12-34 12.13 Window menu... 12-35 12.14 Help menu... 12-35

13 Maintenance Procedures 13.1 Aisys Planned Maintenance Checkout Procedure... 13-2 13.1.1 Aisys Planned Maintenance Checklist... 13-2 13.1.2 Visual Inspection Procedures... 13-3 13.1.3 Verify annunciators... 13-3 13.1.4 Pipeline and cylinder tests... 13-4 13.1.5 AGSS Inspection and Testing... 13-5 13.1.6 Scavenger Positive Relief Functional Check... 13-7 13.1.7 ABS Inspection... 13-8 13.1.8 Ventilator... 13-11 13.1.9 Ventilator Tests... 13-12 13.1.10 Display Diagnostics... 13-22 13.1.11 Vaporizer Tests... 13-23 13.1.12 Mixer tests... 13-24 13.1.13 Alternate O2 flowmeter tests... 13-25 13.1.14 Auxiliary O2 flowmeter tests... 13-26 13.1.15 Integrated Suction Regulator tests (if equipped)... 13-27 13.1.16 Flush Flow test... 13-28 13.1.17 Calibrating the airway module... 13-29 13.1.18 System checkout... 13-30 13.1.19 Alarm tests... 13-32 13.1.20 Power failure test... 13-33 13.1.21 Electrical Safety Checks... 13-34 13.1.22 Final Machine Checks... 13-35

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