Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 A-11
cobas b 221 system 2 Fluid actions
Table of c o n t e nts
Fluid actions
This chapter provides information about the fluidic actions of the cobas b 221 system.
Fluid actions overview ..................................................................................................13
cobas b 221<1> system ...........................................................................................13
cobas b 221<2> system ...........................................................................................14
cobas b 221<3> system ...........................................................................................15
cobas b 221<4> system ...........................................................................................16
cobas b 221<5> system ...........................................................................................17
cobas b 221<6> system ...........................................................................................18
Pin assignment of S2 and S3 Fluid Packs ..................................................................... 19
S2 Fluid Pack ............................................................................................................19
S3 Fluid Pack A (cobas b 221<5/6> systems only) ................................................ 19
T&D positions ............................................................................................................... 20
Measurement ................................................................................................................. 21
Sample input ............................................................................................................21
Sample distribution .................................................................................................23
Aspirating MSS standby solution and starting FMS .............................................25
Washing the measuring chamber vicinity .............................................................. 27
Washing tHb/SO
2
or COOX and preparing Mix1 .................................................28
Recalibrating BG/ISE and drying tHb/SO
2
or COOX ........................................... 29
Calibration .....................................................................................................................31
BG/ISE cleaning .......................................................................................................31
Calibrating the conductivity for CAL A or CAL B ................................................ 32
O
2
zero point calibration ........................................................................................ 34
Na conditioning ....................................................................................................... 35
Mix1/Mix2 calibration, aspirating BG/ISE reference solution .............................36
O2-air calibration .................................................................................................... 38
Aspirating MSS reference solution, calibration with standby solution ................ 39
CAL 1 Calibration ................................................................................................... 41
In this chapter
Chapter
2