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Contents
Chapter 7
viii
Model 146i Instruction Manual
Ozonator Capillary Replacement (Ozonator option)........................... 5-1
Pressure Regulator Capillary Replacement........................................... 5-1
Pump Capillary Replacement (Photometer option)............................. 5-1
Pump Rebuilding ................................................................................ 5-1
Troubleshooting.................................................................................................6-1
Safety Precautions ............................................................................... 6-1
Troubleshooting Guide ....................................................................... 6-1
Board-Level Connection Diagrams ..................................................... 6-1
Connector Pin Descriptions ................................................................ 6-1
Service Locations................................................................................. 6-1
Servicing .............................................................................................................7-1
Safety Precautions ............................................................................... 7-1
Firmware Updates ............................................................................... 7-1
Replacement Parts List ........................................................................ 7-1
Cable List............................................................................................ 7-1
External Device Connection Components .......................................... 7-1
Fuse Replacement ............................................................................... 7-1
Accessing the Service Mode................................................................. 7-1
Leak Test and Pump Checkout - with Photometer Option ................. 7-1
Leak Test and Pump Checkout - without Photometer Option............ 7-1
Mass Flow Controller Replacement..................................................... 7-1
Pump Replacement (Photometer option) ............................................ 7-1
Fan Replacement - Rear Panel............................................................. 7-1
Ran Replacement - Mass Flow Controllers.......................................... 7-1
Analog Output Testing ....................................................................... 7-1
Analog Output Calibration ................................................................. 7-1
Analog Input Calibration .................................................................... 7-1
Calibrating the Input Channels to Zero Volts .................................. 7-2
Calibrating the Input Channels to Full Scale.................................... 7-2
I/O Expansion Board Replacement (Optional) ................................... 7-2
Digital Output Board Replacement..................................................... 7-2
Motherboard Replacement.................................................................. 7-2
Measurement Interface Board Replacement ........................................ 7-2
Front Panel Board Replacement.......................................................... 7-2
LCD Module Replacement ................................................................. 7-2
Photometer Lamp Replacement (Photometer option) ......................... 7-2
Photometer Lamp Voltage Adjustment (Photometer option) .............. 7-2
Photometer Lamp Heater Replacement............................................... 7-2
Photometer Replacement (Photometer option) ................................... 7-2
Photometer Board Replacement (Photometer option)......................... 7-2
Detector Replacement (Photometer option)........................................ 7-2
Photometer Thermistor Replacement.................................................. 7-2
Thermo Fisher Scientific
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Troubleshooting
