Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 D-67
cobas b 221 system 7 Troubleshooting
Value flag s
Possible causes: o Sample path leaks or is blocked
o Cuvette fill leaks
o Main pump tube defective
Remedy: o Call up "Wash".
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].
Flag no. 1028 "Insufficient sample (1)"
No sample detected in Hb module (tHb/SO
2
or COOX module depending on
instrument configuration).
Possible causes: o Unhomogenous sample
o Insufficient sample
Remedy: o Ensure that sample input is sufficient and homogenous.
Flag no. 1029 "Insufficient sample (2)"
Insufficient sample for BG module was detected.
Possible causes: o Unhomogenous sample
o Insufficient sample
Remedy: o Ensure that sample input is sufficient and homogenous.
Flag no. 1030 "Insufficient sample (3)"
Insufficient sample for ISE module was detected:
Possible causes: o Unhomogenous sample
o Insufficient sample
Remedy: o Ensure that sample input is sufficient and homogenous.
Flag no. 1031 "Insufficient sample (4)"
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.