Thermo Scientific 49i Instruction Manual page 10

Contents
x Model 49i Instruction Manual
Capillary Service......................................................................5-5
Pump Rebuilding....................................................................5-6
Leak Test and Pump Checkout ...............................................5-7
External Leaks ......................................................................5-7
Solenoid Leaks ....................................................................5-8
Solenoid Leak Test...............................................................5-9
Ozone Scrubber Test.............................................................5-10
Chapter 6 Troubleshooting.............................................................................. 6-1
Safety Precautions ...................................................................6-1
Troubleshooting Guides..........................................................6-2
Board-Level Connection Diagrams .........................................6-6
Connector Pin Descriptions ....................................................6-8
Service Locations...................................................................6-21
Chapter 7 Servicing .......................................................................................... 7-1
Safety Precautions ...................................................................7-3
Firmware Updates...................................................................7-4
Accessing the Service Mode.....................................................7-4
Replacement Parts List ............................................................7-4
Cable List................................................................................7-6
External Device Connection Components ..............................7-6
Removing the Measurement Bench and
Lowering the Partition Panel...................................................7-8
Fuse Replacement ...................................................................7-9
Pump Replacement ...............................................................7-10
Fan Replacement...................................................................7-11
Analog Output Testing .........................................................7-12
Analog Output Calibration ...................................................7-14
Analog Input Calibration ......................................................7-15
Calibrating the Input Channels to Zero Volts ....................7-15
Calibrating the Input Channels to Full Scale......................7-16
I/O Expansion Board Replacement (Optional) .....................7-17
Digital Output Board Replacement.......................................7-19
Motherboard Replacement....................................................7-20
Measurement Interface Board Replacement ..........................7-21
Front Panel Board Replacement............................................7-22
LCD Module Replacement ...................................................7-23
Optical Bench Replacement ..................................................7-24
Optical Bench Temperature Calibration ...............................7-26
Photometer Lamp Replacement ............................................7-27
Photometer Lamp Voltage Adjustment .................................7-28
Photometer Board Replacement............................................7-29
Detector Replacement...........................................................7-30
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