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WATO EX-65Pro
Service manual
Mindray WATO EX-65Pro Service Manual
Anesthesia machine
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Table Of Contents
475
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of
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475
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Intended Audience
Manual Purpose
Password
Preface
Table of Contents
Safety Information
Warnings
Cautions
Notes
2 Theory of Operation
Electrical Part
Outside Ports
Electrical Theory
Theory Diagram
Hardware Components List
Mother Board
Power System
Power Board
Signal Flow When Powering on
Battery Adapter Board
Auxiliary Electrical Outlet
Display System
Others (Heating Module, Fan, Lithium Battery)
Key Control Adapter Board
Screnn and Touchscreen
Alarm Light Board
Encoder Board
Control System
Main Control Board
Monitoring Module
VCM
Vpm
EFCS Flowmeter System
Efcs VCM
Flowmeter Control Board
Gas Parameter System
Infrared Communication Board
Others
Top Light Board
Auxiliary Light Board
Flowmeter Backlight Board
Indicator Board
Pneumatic Part
Pneumatic Circuit Diagram
Pneumatic Components and Symbles
Key to Symbols
Gas Supplies
Pipeline Supply System
Backup Supply System
Anesthetic Gas Delivery System
System Switch Assembly
Electronic Flow Control System-EFCS
Flow Control System-BFCS
Vaporizer Manifold
ACGO Assembly
O2 Flush Button Assembly
Auxiliary Supply Assembly
Drive Gas Switch Assembly
Breathing System
Overview
Mechanical Ventilation
Manual Ventilation
Mechanical Inspiration Mode
Mechanical Expiration Mode
Gas Bench
O2 Sensor
Anesthesia Calculation Module
Pneumatically-Controlled Module of Anesthetic Ventilator
Anesthetic Gas Scavenging System
Breathing System Heater
Ventilator Pneumatic - O2 Drive Gas
Drive Gas Assembly
Negative Pressure Suction System
Drive Pressure - High Pressure Regulator (200 Kpa, 29 Psi)
3 Installation Guide
Preparation
Assembly
Unpacking and Setup
Breathing System, Breathing System Accessories and Checkout Procedures
AGSS Connections
Vaporizer
Cylinder Wrench and User Guide
Assemble the Vaporizer
Fill the Vaporizer
Drain the Vaporizer
Cylinder Installation
Patient Circuit and CO2 Absorbent
Anesthesia Module Installation and Waste Gas Scavenging
Negative Pressure Suction
Monitoring Products Mounting and Electrical Connection (Optional)
4 Testing
System Inspection
System Self- Test
Automatic Circuit Leak and Compliance Test
Manual Circuit Leak Test
Gas Supply Tests
Troubleshooting-Leak Test
O2 Pipeline Supply Test
N2O Pipeline Supply Test
Air Pipeline Supply Test
O2 Cylinder Supply Test
EFCS Accuracy Test
N2O Cylinder Supply Test
Air Cylinder Supply Test
BFCS Function Tests
Checking Switchover between the EFCS and BFCS
Flow Control System Tests
Checking Needle Valve Correspondence
Checking the Needle Valve Sensitive Switch
Without O2 Sensor
With O2 Sensor
Vaporizer Back Pressure Test
Vaporizer Interlock Test
Vaporizer Accuracy Test
Vaporizer Leak Test
Other Functional Tests
Drive Gas Switching Function Test
Auxiliary O2 Supply Flowmeter Accuracy Test
O2 Flush Test
In Mechanical Ventilation Mode
In Manual Ventilation Mode
ACGO Function Tests
AGSS Inspection
ACGO Switch Alarm Test
ACGO Pressure Detection Function Test
Check the Transfer Tube and Active Scavenging Tube
Negative Pressure Suction Inspection
Check the Tube Connections of Liquid Collection Bottle
Check the Negative Pressure
Breathing Circuit Tests
Check Valve Test
Bellows Test
Breathing System Leak Test in Manual Ventilation Mode
Software Auto Test
Manual Test
Commonly-Encountered Problems and Recommended Actions
Definitions of Error Information During Breathing System Leak Test
Breathing System Leak Test in Mechanical Ventilation Mode
Test Procedures
APL Valve Test
O2 Sensor Related Tests
O2 Sensor Disconnection Alarm Test
Bypass Function Test
O2 Concentration Test
Prepare for Alarm Tests
Test the Apnea Alarm
Test the Sustained Airway Pressure Alarm
Test the O 2 Concentration Monitoring and Alarms
Test the Low Minute Volume (MV) Alarm
Test the High Paw Alarm
Test the Low Paw Alarm
Breathing System Not Mounted Alarm Test
CO2 Absorbent Canister Alarm Test
System Ventilation Performance Tests
O2 Supply Failure Alarm Test
Drive Gas Pressure Low Alarm Test
Power Failure Test
Standby Mode Ventilation Test
Manual Mode Ventilation Test
VCV Adult Ventilation Mode Test
VCV Child Ventilation Mode Test
Air Way Disconnection Alarm Test
PCV Adult Ventilation Mode Test
State Test of Sensors
Checking the Sensor Zero Point
Constant Flow Test (Checking the Flow Sensor Accuracy)
Constant Pressure Test (Checking the Pressure Sensor Accuracy)
Electrical Safety Inspection
Auxiliary Electrical Outlet Test
Top Light, Auxiliary Gas Supply and Total Flowmeter Backlight Test
Total Flow Sensor Self Test
Electrical Safety Inspection Form
Electrical Safety Inspection Test
5 Factory Maintenance Menu
Calibration
Data Monitors
Valves Diagnostic Test Tools
Valves Test
Insp. Valve Test
PEEP Valve Test
Safety Valve Test
Review Logs
System Info
Demo Mode
Restore All Default
Factory Setup
Function Activation
Drive Gas Auto Switch
Flowmeter Standard
Air Pressure Switch Sensor
Flowmeter Pipeline
Acgo
Module Rack
AG Module
BIS Module
CO2 Module
6 Device Maintenance
Maintenance Overview
Maintenance Period
System Check
Maintenance Package Parts
One-Year Replaceable Parts
Parts Replacement
Non-Circuit Part
Non-Pre-Pak Circuit Part
Pre-Pak Circuit
Checkout and Test of the Anesthesia Machine
Other Materials Need to be Checked and Replaced
Tests after Maintenance
Maintenance and Replacing of Battery
Check the Mechanical Ventilation Mode
Сheck Volume Control Ventilation (VCV)
Check Pressure Control Ventilation (PCV)
Breathing System Leak Test in Mechanical Ventilation Mode
Breathing System Leak Test in Manual Ventilation Mode
Check the Sensor Zero Point
Check the Flow Sensor Accuracy
Check the Pressure Sensor Accuracy
Check the Electronic Flowmeter Accuracy
Check the O2/Air Electronic Flowmeter Accuracy
Check the N2O Electronic Flowmeter Accuracy
7 System Calibration
Precautions
Overview
Warnings
Cautions
Notes
System Calibration
Flow Calibration (User)
Flow Calibration Principles
Calibration (User) Procedure
Schematic Diagram of Flow Calibration
Flow Calibration (Service)
Calibration Procedure
Common Failures and Recommended Actions
Pressure Calibration (Service)
Pressure Calibration Principles
Schematic Diagram of Pressure Calibration
Zeroing Mechanisms
Zeroing Procedure
Pressure and Flow Zeroing (Service)
EFCS Flowmeter Zeroing (User)
O2 Sensor Calibration
21% O2 Calibration
100% O2 Calibration
Calibration Mechanisms
Total Flow Sensor Calibration (Factory)
Calibration (Factory) Procedure
Calibration Procedures
CO2 Calibration (Factory)
AG Calibration (Factory)
O2 Module Calibration (Factory)
Troubleshooting Guide
Fault Determination
Avoiding Short Circuit of Component Leads
Using Appropriate Tools
Technical Alarms
Cleanup of the Maintenance Area
Startup Alarm Messages
CPU Board Runtime Alarms
Power Board Runtime Alarms
Electronic Flowmeter Board Runtime Alarms
VCM Board Runtime Alarms
Keyboard Runtime Alarms
External AG Module Runtime Alarms
BIS Module Runtime Alarms
CO2 Module Runtime Alarms
Mainstream CO2 Module
Microstream CO2 Module
Leak and Compliance Tests
Airway System Failure
Troubleshooting—Leak Test
Onsite Maintenance Tools
Negative Pressure Ball
Test Fixture of the Circuit Transit Adapter
Test Fixture of the Pressure Sampling Line of the Flow Sensor
Test Fixture of the Vaporizer Support
Anesthesia Machine Calibration Device
1 Mpa Test Pressure Gauge
Use of Test Fixture of Pressure Sampling Tube of Flow Sensor
Precautions for Use of Test Fixture of Vaporizer Support
Precautions for Use of Negative Pressure Ball
Effectiveness Test for Pipeline Pressure Gauge/Correction of Regulator
Testing Pipeline Pressure Gauge and Calibrating the Regulator
O2 Inlet Assembly
N2O Inlet Assembly
Testing the Pressure Switch
Air Inlet Assembly
Adjusting the Pressure Switch
AG Transmission System
Adjusting the Regulator of the Pipeline Gas Inlet Assembly
Leakage Test on the O2 Flush Button Assembly
Leak Test for the Auxiliary Oxygen Flowmeter Assembly
Leak Test for the Backup Oxygen Flowmeter Assembly
Leak Test for the EFCS Flowmeter Assembly
Leakage Test on the System Switch Assembly
Leakage Test on Vaporizer Support Assembly
Leakage Test on the Sampling Line of the Flow Sensor
Leakage Test on the Low-Pressure Airway System
Leakage Test on Manual Ventilation
Leakage Test on Internal Pipelines
Lucer Adapter Connector
Bypass Disabled
Bypass Enabled
Tidal Volume
Sensor and Valve Faults
Mapping between Menu Items on the Valve Diagnosis
Tool Interface and Airways
Tool Interface and Hardware Components
Preparations before Using the Valve Diagnosis Tool
Diagnosing Zero Point Exceptions of Sensors
Diagnosing Flow Data Exceptions of Sensors
Diagnosing Pressure Data Exceptions of Sensors
Diagnosing Inspiratory Valve Exceptions
Diagnosing PEEP Safety Valve Exceptions
Diagnosing PEEP Proportional Valve Exceptions
Gas Source and Drive Gas Faults
Testing the Pipeline Pressure Gauge and Calibrating the Regulator
O2 Supply Inlet
N2O Supply Inlet
Air Supply Inlet
Hardware and Electrical Faults
Adjusting the Regulator of the Pipeline Gas Supply Inlet
Software Upgrade and Software Configuration
Activation
Common Software Upgrade Problems and Solutions
Software Function Activation
Applying for Activation Codes
Software Function Activation Procedure
Common Software Function Activation Problems and Solutions
Repair and Disassembly
Prepare for Disassembly
Tools
Preparations
Disassemble Assemblies
Release Pressure
Remove Top Cover Assembly and Top Plate Assembly
Remove Speaker
Remove Top Light Board and Switch
Remove Service Door and Rear Cover Plate
Remove Cart Rear Cover Plate Assembly
Remove Module Rack Box Assembly
Remove Module Rack Fan
Remove Display Assembly
Remove Key Control Board
Remove Work Surface Light Board
Remove the Alarm Lamp Board
Remove Encoder Board and Encoder
Remove Display and Touch Screen
Remove Hardware Box Assembly
Replace Fuse
Replace Battery
Remove EFCS Flowmeter
Remove EFCS Flowmeter Board
Remove Flowmeters
Remove Proportional Valve, Three-Way Valve and Two-Way Valve
Remove Vaporizer Manifold
Remove Gas Source Inlet Port Assembly
Remove Backup Gas Source Inlet Port Assembly
Remove Backup Cylinder Bracket
Remove Cover Plate of Work Surface
Remove Exhalation Valve Assembly
Remove ACGO Assembly
Remove Gas Reservoir Assembly
Remove O2 Flush Assembly
Remove High-Pressure Gauge Assembly
Remove Gas Supply Pressure Gauge Assembly
Remove Negative Pressure Control Panel Assembly
Remove Backup O2 Flowmeter Assembly
Remove System Switch Assembly
Remove Indicator Light Board
Remove Drive Gas Switching Valve
Remove Power Cable
Remove Drawer
Remove Air Compressor
Remove Cart Slide
Remove Lock of Drawers
Disassemble Breathing System
Remove O2 Sensor
Remove Breathing Tubes
Remove Flow Sensor
Remove Manual Bag
Remove Bellows Assembly
Remove Pop-Off Valve Assembly
Remove Expiratory Check Valve Assembly
Remove Inspiratory Check Valve Assembly
Remove CO2 Absorbent Canister
Remove Water Collection Cup
Remove Airway Pressure Gauge
Remove Bag Arm
Remove Breathing System
Remove CO2 Absorbent Canister Connection Block Assembly
Remove Back Upper Cover and Back Lower Cover Assemblies
Remove Front Upper Cover
Remove Median Plate Assembly
Remove Lower Cover Assembly
Remove Bag/Vent Switch Assembly
Remove APL Valve Assembly
Disassemble the Breathing System
Remove the Absorbent Canister
Remove CO2 Bypass Assembly
Remove Drain Valve
Remove Bypass Valve and the Trigger Board
Remove Patient Circle Assembly
Remove Expiratory/Inspiratory Check Valve Assemblies
Remove the Back Upper Cover and Back Lower Cover Assemblies
Remove Front Upper/Lower Cover, Median Plate and Assemblies
Remove Automatic/Manual Ventilation Switch Assembly
Electrical Connections
Electrical Circuit Diagram
Board List
Connection Line List
Pneumatic Connection A: System Pneumatic Connection Diagram
Pneumatic Connection B: System Pneumatic Connection Diagram
Pneumatic Connection C: System Pneumatic Connection Diagram
Replacement Parts
Introduction
Ordering Replaceable Parts
Diagrams and Tables
Upper Half
Hardware Box
Work Surface
WATO EX-55 Pro/65 Pro Auxiliary O2 Supply Flowmeter Assembly
WATO EX-55 Pro/65 Pro Cart Assembly
WATO EX-55 Pro/65 Pro Pre-Pak Circuit Bracket Assembly
Breathing Circuit Adapter Block Assembly
Main Body of the Breathing Circuit
CO2 Absorber Canister Assembly
Absorbent Canister Assembly Compatible with Pre-Pak
Absorbent Canister Assembly Not Compatible with Pre-Pak
Expiratory Check Valve and Inspiratory Check Valve
O2 Cell Assembly
WATO EX-55 Pro/65 Pro Display Assembly
WATO EX-55 Pro/65 Pro Backup Flowmeter Assembly
Base Assembly
Tubes
O-Ring
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WATO EX-55Pro/65Pro
Anesthesia Machine
Service Manual
Table of
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Table of Contents
Troubleshooting
Gas Supply Tests
105
Troubleshooting Guide
255
Airway System Failure
283
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