Roche Diagnostics May 2009
Service Manual · Version 9.0 F-5
cobas b 221 system Index
Operating safety information, A-6
PC unit, B-95
Peristaltic pumps
– Replacing a peristaltic pump, B-64
– Replacing the pump head, B-66
– Replacing the pump tube, B-67
–Test, D-99
Pin assignment of S2 and S3 Fluid Packs, A-19
Polarization voltages, B-10
Printer
– Replacing the cutter lid, B-109
– Replacing the paper cover, B-109
– Replacing the Printer, B-108
– Replacing the winder unit, B-109
Protected DB functions, B-13
Protected infos, B-12
Protected setup, B-5
Protected software functions, B-3
Protected system functions, B-11
Rear panel
– Disassembly, B-20
Sample counter, B-5
Sample distributor
– Replacing the sample distributor, B-37
– Replacing the sample distributor cartridge, B-35
– Replacing the SS1, SS2, SS3 and SS4 sensors, B-39
Sample inlet path
– Replacing the sample inlet path, B-24
Screen
– Replacing the battery and charger, B-102
– Replacing the screen cable, B-103
– Replacing the touch screen/PC unit, B-95
Sensor limits, D-135
Sensor report, D-135
Serial number, B-6
Service log file export, B-12
Service Manual
– Abbreviations, 9
– Conventions used, 8
– Finding information, 7
– How to use, 7
– Symbols, 8
–Version, 3, G-6
Service mode, B-6
Service report, D-132
Shutdown, B-19
Software
–Version, 3, G-5
Software update
– video sequences (FTP), B-107
– video sequences (USB), B-107
– with floppy disks, B-104
– with FTP, B-105
– with USB mass storage, B-105
Stability monitor, D-120
System backup / restore, B-11
System stops, D-13
System warnings, D-51
T&D module
– Replacing the actuator board, B-30
– Replacing the fill port, B-23
– Replacing the fill port holder, B-23
– Replacing the linear actuators, B-32
– Replacing the needle, B-23
– Replacing the optical sensor, B-25
– Replacing the plug control, B-28
– Replacing the stepper motor, B-30
– Replacing the T&D disk, B-26
– Replacing the T&D module, B-21
– Replacing the T&D sensor cover, B-26
– Replacing the T&D tubing set, B-27
– T&D positions, A-20
–Test, D-98
T&D positions, A-20
Tes t r o u ti ne s, D- 9 5
tHb/SO
2
module
– Replacing the tHb/SO
2
heating unit, B-63
– Replacing the tHb/SO
2
module, B-62
– Replacing the tubing set tHb/PolyOX, B-63
Touch screen/PC unit, B-95
Transponder Contol
– Replacing the Transponder Control, B-72
Vacuum system
– Replacing the Actuator Board V4/V6, B-80
– Replacing the moisture trap, B-77
– Replacing the vacuum control board, B-80
– Replacing the vacuum pump, B-76
– Replacing the vacuum pump completely, B-73
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