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A8
Service manual
Mindray A8 Service Manual
Anesthesia system
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Operating instructions manual
(288 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Intellectual Property Statement
Revision History
Preface
Manual Purpose
Table of Contents
Safety
Safety Information
Warnings
Cautions
Notes
Theory of Operation
System Overview
Introduction
Appearance
Labels
Acronyms and Abbreviations
Subsystems
Electrical Circuit
Power System
Display System
Monitoring System
EFCS Flowmeter System
Auxiliary O2/Air System
Electronic Vaporizer System (A9)
Other Parts
Pneumatic Part
Symbols
Gas Supply Subsystem
Flowmeter Subsystem
Vaporizer Subsystem
Breathing Subsystem
Auxiliary Gas Supply Subsystem
AGSS Subsystem
Negative Pressure Suction Subsystem
Installation Guide
Preparations
Accessories
Tools
Installation Procedure
Unpacking
Installation
Tests after Installation
Maintenance Period
Pre-Maintenance Check
Parts of the Maintenance Packages
Installation Positions of the Sealing Rings and Filters in the Maintenance Packages
Maintenance Report
Testing
Power-On Self-Test
Performing the Power-On Self-Test
Power-On Self-Test Alarm Messages
System Check
Performing the System Check
Gas Supply Tests
O2 Supply Test
N2O Supply Test
AIR Supply Test
Cylinder Supply Tests
N2O Cylinder Supply Test
O2 Cylinder Supply Test
AIR Cylinder Supply Test
EFCS Accuracy Test
BFCS Function Tests
Checking Needle Valve Correspondence
Checking Needle Valve Not Closed
Accuracy Confirmation Test
Electronic Vaporizer Test (A9 Only)
Vaporizer Monitoring Function Test
Vaporizer Self-Locking Test
Vaporizer Interlock Test
Vaporizer Accuracy Test
Mechanical Vaporizer Test (A8 Only)
Vaporizer Interlock Test
Vaporizer Back Pressure Test
Vaporizer Accuracy Test
Vaporizer Leak Test
Other Functional Tests
High-Flow O2 Supply Test
High-Pressure O2 Output Test
O2 Flush Test
Mechanical ACGO Function Test
Internal AG Module Test
Circuit Function Tests
O2 Concentration and Tidal Volume Test
APL Valve Test
Patient Circuit Heating Test
Sample Gas Return Test
Active AGSS Check
Negative Pressure Suction Tests
Alarm Tests
Power Failure Alarm Test
Breathing Circuit Alarm Tests
O2 Supply Failure and Balance Gas Branch Flow Not Achieved Alarm Tests5-18
Ventilator-Related Alarm Tests
System Ventilation Performance Tests
Manual Mode Ventilation Test
VCV Adult Ventilation Mode Test
VCV Pediatric Ventilation Mode Test
PCV Adult Ventilation Mode Test
Sensor Zero Point Check
Constant Flow Test (Checking the Flow Sensor Accuracy)
Constant Flow Test (Checking the Pressure Sensor Accuracy)
Electrical Tests
Auxiliary Power Receptacle Test
Work Light Test
Electrical Safety Inspection Test
System Calibration
Overview
Precautions
Warnings
Cautions
Notes
System Calibration
Flow Calibration (User)
O2 Sensor Calibration (User)
Flowmeter Zeroing (User)
High-Flow O2 Supply Zeroing (User)
Pressure Calibration (Service)
Expiratory Valve Calibration (Service)
Pressure and Flow Zeroing (Service)
Total Flow Sensor Calibration (Service)
Internal AG Calibration (User)
External AG Calibration (User)
NMT Sensor Check (User) (Canada Only)
Vaporizer Injector Calibration (Service) (A9 Only)
Tests after Calibration
Troubleshooting
Precautions
Power-On Troubleshooting
Power-On and Display Failures
Auxiliary Outlet Failures
Leak Test Failures in Auto Mode
Leak Test Failures in Manual Mode
Technical Alarms
Power-On Self-Test Alarms
CPU Board Runtime Alarms
Power Board Runtime Alarms
Electronic Flowmeter and BFCS Runtime Alarms
VCM Runtime Alarms
Electronic Vaporizer Runtime Alarms
AGSS Module Runtime Alarms
Auxiliary O2/Air Module Runtime Alarms
HFNC Module Runtime Alarms
External AG Module Runtime Alarms
Internal AG Module Runtime Alarms
BIS Module Runtime Alarms
CO2 Module Runtime Alarms
NMT Module Runtime Alarms
Typical Troubleshooting
Failure to Exit the Standby Mode
Auto/Manual Switchover Failure
Mechanical Ventilation Stop
Inaccurate Tidal Volume Control
Inaccurate Airway Pressure Control
Inaccurate PEEP Control
Irregular Flow Waveforms
BFCS Failures
Electronic Vaporizer Failures
AGSS Failures
Auxiliary O2/Air and HFNC Module Failures
After-Service Tests
Diagnostic Tests
Valves Test
Insp Valve Test
PEEP Valve Test
Safety Valve Test
FCS Tests
Vaporizer Tests (A9)
HFNC Test
Repair and Disassembly
Disassemble the O2 Cell Holder Assembly
Prepare for Disassembly
Remove the O2 Cell Holder Assembly
Disassemble the Sodalime Absorber Canister Assembly
Remove the Sodalime Absorber Canister Assembly
Disassemble the Bypass Assembly
Prepare for Disassembly
Remove the Bypass Assembly
Disassemble the Bag Arm Assembly
Prepare for Disassembly
Remove the Bag Arm Assembly
Disassemble the Patient Circuit Assembly
Remove the Patient Circuit Assembly
Disassemble the APL Valve Assembly
Prepare for Disassembly
Remove the APL Valve Assembly
Disassemble the Locking Nuts of the Inspiration and Expiration Connectors
Prepare for Disassembly
Remove the Locking Nuts of the Inspiration and Expiration Connectors
Disassemble the Inspiration and Expiration Connectors
Prepare for Disassembly
Remove the Inspiration and Expiration Connectors
Disassemble the Water Collection Cup
Remove the Water Collection Cup
Disassemble the Volume Exchanger Assembly
Prepare for Disassembly
Remove the Volume Exchanger Assembly
Disassemble the VE Box Assembly
Remove the VE Box Assembly
Disassemble the VE Mounting Box In-Position Switch
Prepare for Disassembly
Remove the VE Mounting Box In-Position Switch
Pre-Disassembly (Disassemble Housings and some System Parts)
Open the Service Door
Remove the Auxiliary Output Assembly
Remove the Rear Cover Plate of the Work Surface
Remove the Work Surface Cover Plate FRU
Remove the Instrument Panel Assembly
Remove the Upper-Left Cover Plate
Remove the Display Assembly
Disassemble the N2O, Air, and O2 Inlet Assemblies
Prepare for Disassembly
Remove the N2O, Air, and O2 Inlet Assemblies
Disassemble the Pipeline Negative Pressure Inlet Assembly
Prepare for Disassembly
Remove the Pipeline Negative Pressure Inlet Assembly
Disassemble the Pressure Switch (Gas Inlet)
Prepare for Disassembly
Remove the Pressure Switch (Gas Inlet)
Disassemble the I/O Interface Board
Prepare for Disassembly
Remove the I/O Interface Board
Disassemble the Monitoring Board
Prepare for Disassembly
Remove the Monitoring Board
Disassemble the AC-DC Board
Prepare for Disassembly
Remove the AC-DC Board
Disassemble the DC-DC Board
Prepare for Disassembly
Remove the DC-DC Board
Disassemble the Motherboard
Prepare for Disassembly
Pre-Disassembly
Remove the Motherboard FRU
Disassemble the Pressure Regulator Assembly (0645)
Prepare for Disassembly
Remove the Pressure Regulator Assembly (0645)
Disassemble the EFCS Flowmeter Monitoring Board
Remove the EFCS Flowmeter Monitoring Board
Disassemble the EFCS Flowmeter FRU (O2/N2O/Air)
Prepare for Disassembly
Remove the EFCS Flowmeter FRU (O2/N2O/Air)
Disassemble the EFCS Flowmeter Flow Sensors
Prepare for Disassembly
Remove the EFCS Flowmeter Flow Sensors
Disassemble the N2O, Air, and O2 Cylinder Yoke Assemblies
Prepare for Disassembly
Remove the N2O, Air, and O2 Cylinder Yoke Assemblies
Disassemble the Sensor Adapter Board PCBA
Prepare for Disassembly
Remove the Sensor Adapter Board PCBA
Disassemble the High-Flow O2 Supply Assembly or Auxiliary O2/Air Assembly
Prepare for Disassembly
Remove the High-Flow O2 Supply Assembly or Auxiliary O2/Air Assembly8-26
Disassemble the System Switch Assembly
Prepare for Disassembly
Remove the System Switch Assembly
Disassemble the High-Flow O2 Therapy Flowmeter or Auxiliary Output Flowmeter Assembly
Prepare for Disassembly
Remove the High-Flow O2 Therapy Flowmeter or Auxiliary Output Flowmeter Assembly
Disassemble the Upper-Half Drawer Assembly
Prepare for Disassembly
Remove the Upper-Middle Drawer Assembly
Disassemble the Lower Drawer Assembly
Prepare for Disassembly
Remove the Lower Drawer Assembly
Disassemble the CO2 Locking Assembly
Prepare for Disassembly
Remove the CO2 Locking Assembly
Disassemble the AGSS Assembly
Prepare for Disassembly
Remove the AGSS Assembly
Disassemble the Module Rack Assembly
Prepare for Disassembly
Remove the Module Rack Assembly
Disassemble the Battery Box Assembly
Prepare for Disassembly
Remove the Battery Box Assembly
Disassemble the Anesthesia Calculation Pipeline Assembly
Prepare for Disassembly
Remove the Anesthesia Calculation Pipeline Assembly
Disassemble the Drive Gas Assembly
Remove the Drive Gas Assembly
Disassemble the ACGO Assembly
Prepare for Disassembly
Remove the ACGO Assembly
Disassemble the O2 Cell Calibration Valve Assembly
Prepare for Disassembly
Remove the O2 Cell Calibration Valve Assembly
Disassemble the Air Filter
Prepare for Disassembly
Remove the Air Filter
Disassemble the AG Module
Remove the AG Module
Disassemble the Valve Cover
Prepare for Disassembly
Remove the Valve Cover Assembly
Disassemble the One-Way Valve
Prepare for Disassembly
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A N E S T H E S I A S YS T E M
Anesthesia System
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Troubleshooting
Troubleshooting
225
Typical Troubleshooting
270
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