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Thermo Fisher Scientific
Set defaults.................................................................................. 3-79
Dilution Ratio................................................................................ 3-79
Display Pixel Test .......................................................................... 3-79
Restore User Defaults..................................................................... 3-80
Password ........................................................................................... 3-80
Set Password .................................................................................. 3-80
Lock Instrument ............................................................................ 3-81
Change Password ........................................................................... 3-81
Remove Password........................................................................... 3-82
Unlock Instrument......................................................................... 3-82
Calibration.......................................................................................................... 4-1
Zero Gas Generation........................................................................... 4-1
Commercial Heatless Air Dryers ...................................................... 4-1
Absorbing Column........................................................................... 4-2
Calibration Gas Generation ................................................................ 4-2
Cylinder Gas Dilution...................................................................... 4-2
Commercial Precision Dilution Systems........................................... 4-3
Permeation Tube System..................................................................... 4-3
Commercial Permeation Systems ..................................................... 4-4
Multi-Point Calibration ...................................................................... 4-5
Multipoint Calibration in Dual/Auto Range Mode............................. 4-7
Zero/Span Check .............................................................................. 4-10
Preventive Maintenance ................................................................................. 5-1
Safety Precautions ............................................................................... 5-1
Replacement Parts............................................................................... 5-2
Cleaning the Outside Case .................................................................. 5-2
Visual Inspection and Cleaning........................................................... 5-2
Cleaning the Mirrors........................................................................... 5-2
Capillary Inspection and Replacement ................................................ 5-3
Fan Filter Inspection and Cleaning ..................................................... 5-4
Sample Particulate Filter Inspection .................................................... 5-5
Lamp Voltage Check........................................................................... 5-5
Leak Test ............................................................................................ 5-6
Pump Rebuilding ................................................................................ 5-6
Troubleshooting ................................................................................................ 6-1
Safety Precautions ............................................................................... 6-1
Troubleshooting Guides...................................................................... 6-1
Board-Level Connection Diagrams ................................................... 6-10
Connector Pin Descriptions .............................................................. 6-12
Service Locations............................................................................... 6-24
Model 43i Trace Level-Enhanced Instruction Manual
Contents
Where to Get Help
xiii
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Troubleshooting
