Roche Diagnostics May 2009
D-68 Service Manual · Version 9.0
7 Troubleshooting cobas b 221 system
Value flag s
o With uncalibrated sensor call up fill routines for CAL 2, CAL 3 and CAL 4.
h [System] > [Utilities] > [Fluid actions] > [Fill routines] > [Aspirate CAL #].
Flag no. 1032 "Sample distr. error (5)"
No calibration solution 1 ( CAL 1) detected.
Possible causes: o Blockage or leakage
o Main pump tube defective
Remedy: o Call up fill routine for CAL 1.
h [System] > [Utilities] > [Fluid actions] > [Fill routines] > [Aspirate CAL 1].
o Check/replace main pump tube.
e
For the details, see Replacing the pump tube on page B-67.
o Call up "General fluidics test" and check that tubing paths are open and without
leaks. h [System] > [Diagnostics] > [General fluidics test].
o Check/replace S3 docking mechanism.
e
For instructions, see Replacing the docking mechanisms S2 and S3 (fluid packs) on
page B-70.
o Call up "Component test > Control sensors > Sample sensors" and "Calibrate"
(SS4).
e
For instructions, refer to the cobas b 221 system Reference Manual, section
"Component test".
Flag no. 1036 "Insufficient sample (5)"
Insufficient sample for MSS module was detected.
Possible causes: o Unhomogenous sample
o Insufficient sample
Remedy: o Ensure that sample input is sufficient and homogenous.
o Call up fill routines for CAL 2, CAL 3 and CAL 4.
h [System] > [Utilities] > [Fluid actions] > [Fill routines] > [Aspirate CAL #].
o Call up "General fluidics test" and check that tubing paths are open and without
leaks. h [System] > [Diagnostics] > [General fluidics test].
o Check/replace S3 docking mechanism.
e
For instructions, see Replacing the docking mechanisms S2 and S3 (fluid packs) on
page B-70.
o Perform sample sensor test (SS4). Press [Measure] and [Calibrate].
h [System] > [Component test] > [Control sensors] > [Sample sensors].
e
For instructions, refer to the cobas b 221 system Reference Manual, section
"Component test".
Flag no. 1037 "No sample detected (8)"
No sample detected in hemolyzer.
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