Roche Diagnostics May 2009
A-20 Service Manual · Version 9.0
2 Fluid actions cobas b 221 system
T&D positions
T&D positions
A 1: Releases the fill port for placing a sample
B 2: S1 Rinse Solution
C 3: Position for "aspiration from the syringe“
D 4: Dock position
E 5: O
2
zero point solution from S2 Fluid Pack
F 6: CAL 2 from S3 Fluid Pack A
(cobas b 221<5/6> systems only)
G 7: Na conditioning solution from S2 Fluid
Pack
H 8: CAL 3 from S3 Fluid Pack A
(cobas b 221<5/6> systems only)
I 9: Cleaning solution from S2 Fluid Pack
J 10: AutoQC connection
K 11: CAL 4 from S3 Fluid Pack A
(cobas b 221<5/6> systems only)
Figure A-9 T&D positions