Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 5
cobas b 221 system
Table of contents
Version H i s tor y 3
Edition notice 3
Intended use 4
Copyrights 4
Trademarks 4
Contact address 4
Preface 7
How to Use This Manual 7
Where to Find Information 7
Conventions used in this manual 8
System Description Part A
1 Safety information
Important information A-5
Operating safety information A-6
Important notes and warnings A-6
Disinfectants A-7
ESD protection measures A-8
2 Fluid actions
Fluid actions overview A-13
Pin assignment of S2 and S3 Fluid Packs A-19
T&D positions A-20
Measurement A-21
Calibration A-31
Servicing Part B
3 Protected software functions
Protected setup B-5
Protected system functions B-11
Protected infos B-12
Protected DB functions B-13
4 Components
Important notes B-19
Shutdown B-19
Removing the rear panel B-20
Folding up the central measuring unit B-20
T&D system (Turn & Dock) B-21
Fluid mixing system (FMS) B-33
Sample distributor (SD) B-35
BG measuring chamber B-40
ISE measuring chamber (cobas b 221<3>–<6>
systems only) B-42
MSS measuring chamber (cobas b 221<5/6> systems
only) B-44
Measuring chamber cartridge B-48
COOX module (cobas b 221<2/4/6> systems only)
B-51
tHb/SO
2
module (cobas b 221<1/3/5> systems only)
B-62
Peristaltic pumps (PP) B-64
Bottle compartment B-67
Vacuum system B-73
Valves B-81
Mainboard unit B-89
Interface unit B-91
Touch screen/PC unit B-95
Printer B-108
Fan unit B-110
Replacing the valve bus cable B-110
Replacing the actuator bus main controller cable
B-112
Barcode scanner B-113
5 AutoQC module
AutoQC preparation for maintenance B-119
Initial installation of the AutoQC module B-119
Replacing the AutoQC module B-120
Replacing the AQC snap lock B-122
Replacing the AQC magnetic valve B-123
Replacing the AQC board B-124
Replacing the YZ distributor board B-125
Replacing the Z distributor board B-126
Replacing the flex cable (short) B-127
Replacing the flex cable (long) B-128
AQC sample tube B-129
Replacing the X motor B-131
Replacing the Y motor B-132
Replacing the Z motor B-132
Replacing the AutoQC steel tube B-133
Replacing the AQC temperature sensor B-134
Replacing the wash port B-135
Replacing the toothed belt (short) B-136
Replacing the toothed belt (long) B-137
Maintenance Part C
6 Maintenance
Decontamination C-5
cobas b 221<1/3/5> systems (tHb/SO
2
) C-10
cobas b 221<2/4/6> systems (COOX) C-12
AutoQC module C-14
Troubleshooting Part D
7 Troubleshooting
Important Notes D-11