Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 B-17
cobas b 221 system 4 Components
Table of c o n t e nts
Replacing the waste docking mechanism ............................................................... 69
Replacing the docking mechanism S1 (rinse solution) ......................................... 70
Replacing the docking mechanisms S2 and S3 (fluid packs) ................................ 70
Replacing the clamp docking mechanism ..............................................................71
Replacing the micro switch module ....................................................................... 71
Replacing the bacteria filter .................................................................................... 72
Replacing the Transponder Control (waste, S1, S2, S3) ........................................72
Vacuum system ..............................................................................................................73
Replacing the vacuum pump completely ............................................................... 73
Replacing the vacuum pump ..................................................................................76
Replacing the moisture trap .................................................................................... 77
Replacing the waste tube .........................................................................................77
Replacing the vacuum pump protector ................................................................. 78
Replacing the VP tube set ....................................................................................... 78
Replacing the vacuum control board ..................................................................... 80
Replacing the Actuator Board V4/V6 ..................................................................... 80
Valves ..............................................................................................................................81
Replacing the valves of the measuring chamber cartridge ....................................81
Replacing the valves from sample distributor cartridge and Hb cartridge .......... 83
Replacing the waste valves V13/V18 ....................................................................... 85
Replacing the waste valve V6 ..................................................................................86
Replacing the air valve V4 ....................................................................................... 88
Replacing the FMS valve (MIX) ............................................................................. 88
Mainboard unit .............................................................................................................89
Replacing the Mainboard unit ................................................................................ 89
Replacing the sample sensor board ........................................................................ 91
Interface unit .................................................................................................................91
Compatibility chart .................................................................................................91
Replacing the Interface unit ....................................................................................92
Replacing the AutoQC/COOX cable ......................................................................94
Touch screen/PC unit ....................................................................................................95
Compatibility chart .................................................................................................95
Replacing the touch screen/PC unit ....................................................................... 95
Replacing the hard disk ...........................................................................................99
Replacing the floppy disk drive .............................................................................101
Replacing the battery and charger ........................................................................ 102
Replacing the screen cable ....................................................................................103
Software update .....................................................................................................104
Printer .......................................................................................................................... 108
Replacing the Printer ............................................................................................. 108
Replacing the winder unit .....................................................................................109
Replacing the paper lid .......................................................................................... 109
Replacing the printer-cutter lid ............................................................................ 109
Fan unit ........................................................................................................................110
Replacing the main fan unit .................................................................................. 110
Replacing the valve bus cable ......................................................................................110
Replacing the actuator bus main controller cable ..................................................... 112
Barcode scanner ..........................................................................................................113
General ...................................................................................................................113