Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 D-55
cobas b 221 system 7 Troubleshooting
System warnings
o Perform sample sensor test (SS2).
h [System] > [Component test] > [Control sensors] > [Sample sensors].
Warning 30020 "Prep. of standby not ok"
The fill routine for MSS standby solution was not ok.
e For details, see diagrams in Chapter 2 Fluid actions.
o Call up fill routine again. h [System] > [Utilities] > [Fluid actions] >
[Fill routines] > [Aspirate standby solution].
o Check SD cartridge tubing.
e For instructions, see Sample distributor (SD) on page B-35.
o Call up the general fluidics test.
h [System] > [Diagnostics] > [General fluidics test].
o Check MSS sensor for correct fit.
o Call up MSS contact path test with external sample for leak test and contact path
test.
e For instructions, see Contact path test on page D-95.
o Perform general hardware test to test the valves.
e For instructions, see General hardware test on page D-127.
o Check S3 docking mechanism.
o Insert new S3 Fluid Pack A.
Warning 30021 "Prep. of Ref. MSS not ok"
Only for instruments with urea installed: The fill routine for MSS reference solution
was not ok.
e For details, see diagrams in Chapter 2 Fluid actions.
o Call up fill routine again. h [System] > [Utilities] > [Fluid actions] >
[Fill routines] > [Fill ref. electrode MSS].
o Check instrument type and associated electrode configuration.
h [Setup] > [Protected setup] > [Instrument type].
o Check MC cartridge tubing.
e For instructions, see Measuring chamber cartridge on page B-48.
o Call up the general fluidics test.
h [System] > [Diagnostics] > [General fluidics test].
o Perform general hardware test to test the valves.
e For instructions, see General hardware test on page D-127.
o Check S3 docking mechanism.
o Insert new S3 Fluid Pack A.
Warning 30022 "Prep. of CAL 1 not ok"
The fill routine for CAL 1 was not ok.
e For details, see diagrams in Chapter 2 Fluid actions.