5
System Test 51
What is a Medical Electrical System 51
General Requirements for a System 52
Preventive Maintenance Procedures 52
Cleaning 52
Replace PM Parts 53
Replacing the Fan Filter 53
Replacing the Watertrap Manifold Seals 53
Performance Assurance Tests - Checking and Calibrating the Gas Analyzer 54
Access Service Functions of the Gas Analyzer 54
When and how to check the Gas Analyzer 54
Equipment required for checking 54
Annual Checks 56
Connecting the Gas Analyzer to a PC/Laptop 56
Getting started with the VISIA software 56
Zero Calibration 59
Zero Calibration Test 59
Component Status Check 60
Pneumatic Tests 61
Equipment needed: 61
Leak Check 61
Checking for leaks between inlet and pump 61
Flow Rate Check 64
Pressure Sensor Test 64
Flow Rate Adjustment 65
Gas Calibration Test 66
Disposal of Empty Gas Cylinder 69
Mounting Integrity Test 69
Reporting of Test Results 69
Carrying Out and Reporting Tests 70
Tes t R ep or t 70
Test and Inspection Matrix - Checks with Patient Monitor 71
Checks with VISIA Tool 73
Evaluation 73
Evaluation of Test Results 74
Other Regular Tests 74
After Installation, Testing or Repair 74
5 Troubleshooting the Gas Analyzer 75
Technical Alarm Messages (INOPs) 76
Troubleshooting 78
6 Repairing the Gas Analyzer 79
Introduction 79
Who Should Perform Repairs 79
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