Roche cobas b 221 system

Roche Diagnostics May 2009
D-96 Service Manual · Version 9.0
7 Troubleshooting cobas b 221 system
Important test routines
VO closed: MCO measurement value
Status not ok – :
o 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.
Positioned sample: h Press [Positioned sample].
External sample: h Press [External sample].
Separation: MCC measurement value
Status not ok – :
e This error pattern corresponds to Flag no. 1002 "Sample sep. error (1)" on page D-59.
Positioning: MCO measurement value
Status not ok – :
e This error pattern corresponds to Flag no. 1000 "Sample pos. error (1)" on page D-58.
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.
MSS (cobas b 221<5/6> systems only)
h At the ready screen, press
[System] > [Component test] > [Control Sensors] > [Contact paths] > [MSS].
MSS standby solution: h Press [MSS standby solution].
Positioning MCO: MCO measurement value
Status not ok – :
o Call up "Aspirate MSS standby solution" in the fill routines.
o Measurement value near zero: check seating of MSS cassette.
Figure D-4 Contact path test MSS (cobas b 221<5/6> systems only)