Dynex DSX - Page 6

Table of Contents
Chapter 4 Troubleshooting ...........................................................................................................4-1
4.1 Overview...............................................................................................................4-1
4.2 Initialization ...........................................................................................................4-2
4.2.1 The Instrument Fails to Power up ............................................................4-2
4.2.2 The System Cannot Communicate with the Computer............................4-3
4.2.3 General Information..................................................................................4-3
4.2.4 Checking the Communication Link...........................................................4-4
4.2.5 Incorrect Password...................................................................................4-5
4.3 System Problems..................................................................................................4-6
4.3.1 Communication Problems ........................................................................4-6
4.3.2 Problems in a Specific Module.................................................................4-9
4.4 Application Problems..........................................................................................4-10
Chapter 5 Manual Operation of the System ................................................................................5-1
5.1 Overview...............................................................................................................5-1
5.2 Manual Control Operations...................................................................................5-2
5.2.1 Selecting the Desired Operation ..............................................................5-2
5.2.2 Performing the Operation.........................................................................5-3
5.2.3 Testing the Reader...................................................................................5-3
5.2.4 Testing the Drawer...................................................................................5-4
5.2.5 Incubators.................................................................................................5-5
5.2.6 Washer .....................................................................................................5-6
5.2.7 Plate Movement .......................................................................................5-8
5.2.8 Arm...........................................................................................................5-9
5.2.9 Advanced ...............................................................................................5-11
5.2.10 Testing..................................................................................................5-12
5.3 Washing A Plate .................................................................................................5-13
Chapter 6 The Pipette Module/XYZ Drive ....................................................................................6-1
6.1 Overview...............................................................................................................6-1
6.2 The X-Drive and Y-Drive ......................................................................................6-3
6.2.1 General Design of the Drive Mechanisms ...............................................6-3
6.2.2 Command Types......................................................................................6-7
6.2.3 Top Level Functional Design....................................................................6-8
6.2.4 Hardware Considerations.........................................................................6-9
6.3 The Z-Drive and the Pipette Module...................................................................6-11
6.3.1 General Design of the Drive Mechanisms .............................................6-11
6.3.2 Command Types....................................................................................6-13
6.3.3 Top Level Functional Design..................................................................6-15
6.3.4 Hardware Considerations.......................................................................6-15
6.4 Serial Communication with the Controller ..........................................................6-16
Chapter 7 Replacing Components - Pipette/XYZ Axis Assemblies..........................................7-1
7.1 Overview...............................................................................................................7-1
7.2 Troubleshooting ....................................................................................................7-2
7.3 Replacing the Pipette Assembly...........................................................................7-4
7.4 The Z-Drive Assembly ........................................................................................7-16
7.4.1 Removing the Z-Drive Assembly............................................................7-16
7.4.2 Replacing the Z-Drive Spring Assembly ................................................7-17
7.4.3 Removing and Replacing the Z-Drive Encoder......................................7-20
7.4.4 Replacing the Z-Drive Optointerrupter Assembly ..................................7-21
7.4.5 Replacing The Z-Drive Belt ....................................................................7-22
iv DSX™ System Service Manual