Roche Diagnostics May 2009
Service Manual · Version 9.0 D-95
cobas b 221 system 7 Troubleshooting
Important test routines
Important test routines
Contact path test
BG/ISE
h At the ready screen, press
[System] > [Component test] > [Control Sensors] > [Contact paths] > [BG] or
[System] > [Component test] > [Control Sensors] > [Contact paths] > [ISE].
Aspirate CAL B: h Press [Aspirate CAL B].
Positioning: MCI-MCO contact paths
Status not ok – :
e
This error pattern corresponds to Flag no. 1001 "Sample pos. error (2)" on page D-58.
VI closed: MCO measurement value
Status not ok – :
e
This error pattern corresponds to Flag no. 1008 "Irregular sample (2)" on page D-61.
Cond. ratio: MCC-MCO contact path
Status not ok – :
e
This error pattern corresponds to Flag no. 1006 "Irregular sample (1)" on page D-60.
Ref. aspiration: MCO measurement value
Status not ok – :
e
This error pattern corresponds to Flag no. 1003 "Ref. sol. asp. error" on page D-59 and Flag
no. 1004 "Ref. sol. pos. error" on page D-59.
Figure D-3 Contact path test BG/ISE