Table of Contents
3
5.7 Liquid-level detecting board .............................................................................. 5-140
5.7.1 Introduction........................................................................................... 5-140
5.7.2 Board composition................................................................................ 5-140
5.7.3 Replacement and Connection.............................................................. 5-143
5.7.4 Troubleshooting.................................................................................... 5-145
5.8 Laser Control Board .......................................................................................... 5-148
5.8.1 Introduction........................................................................................... 5-148
5.8.2 Board Composition............................................................................... 5-148
5.8.3 Adjustment and Test Points.................................................................. 5-150
5.8.4 Assembly and disassembly.................................................................. 5-151
5.8.5 Troubleshooting.................................................................................... 5-151
5.9 Pre-amplification board...................................................................................... 5-154
5.9.1 Introduction........................................................................................... 5-154
5.9.2 Board Composition............................................................................... 5-154
5.9.3 Adjustment and Test Points.................................................................. 5-158
5.9.4 Disassembly and assembly.................................................................. 5-158
5.9.5 Troubleshooting.................................................................................... 5-158
5.10 Indicator Board .................................................................................................. 5-160
5.10.1 Introduction........................................................................................... 5-160
5.10.2 Board Composition............................................................................... 5-160
5.10.3 Disassembly and assembly method..................................................... 5-161
5.10.4 Troubleshooting.................................................................................... 5-162
5.11 Key Board.......................................................................................................... 5-163
5.11.1 Introduction........................................................................................... 5-163
5.11.2 Board Composition............................................................................... 5-163
5.11.3 Disassembly and assembly method..................................................... 5-164
5.11.4 Troubleshooting.................................................................................... 5-165
6 Maintenance......................................................................................................... 6-1
6.1 Maintenance Modules and the Corresponding Settings ....................................... 6-1
6.2 General.................................................................................................................. 6-3
6.3 Disassembling the Panels ..................................................................................... 6-4
6.3.1 Removing the left door ............................................................................. 6-4
6.3.2 Removing the right door........................................................................... 6-5
6.3.3 Removing the top cover ........................................................................... 6-6
6.3.4 Removing the back panel......................................................................... 6-7
6.3.5 Removing the front door........................................................................... 6-8
6.3.6 Removing the front cover assembly......................................................... 6-9
6.4 Replacing the Valves, Pumps and Syringes........................................................ 6-11
6.4.1 Replacing valves .................................................................................... 6-13
6.4.2 Replacing the Pressure Chamber .......................................................... 6-15
6.4.3 Replacing the Vacuum Chamber ........................................................... 6-17
6.4.4 Replacing the Syringe Assembly............................................................ 6-18
6.4.5 Replacing the Waste Pump.................................................................... 6-24
6.5 Replacing the Bath/Aperture Assembly............................................................... 6-26
6.6 Replacing the Sampling Module and Adjusting Position ..................................... 6-29
6.6.1 Replacing the Sample Probe and Wipe ................................................. 6-29
6.6.2 Replacing the Optical Sensor................................................................. 6-31
6.6.3 Removing the Sampling Module ............................................................ 6-33
6.7 Maintaining and Replacing the DIFF Reaction Bath ........................................... 6-37
6.8 Autoloader Assembly (Closed-Tube)................................................................... 6-39
6.8.1 Removing and replacing the closed-tube sample compartment assembly
6-39
6.8.2 Removing and replacing the detection switches of the sample transport unit
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