Roche cobas b 221 system

Roche Diagnostics May 2009
Service Manual · Version 9.0 D-89
cobas b 221 system 7 Troubleshooting
Value flag s
Flag no. 8081 "Interferences (5)"
The calculated COHb value is outside the permitted range.
Possible causes: o Unsuitable sample type
Remedy: o Check sample material: sample too old, partially hemolyzed, unhomogenous,
incorrect anticoagulant.
Flag no. 8082 "Interferences (6)"
The calculated SO
2
value is outside the permitted range.
Possible causes: o Unsuitable sample type
Remedy: o Check sample material: sample too old, partially hemolyzed, unhomogenous,
incorrect anticoagulant.
Flag no. 8083 "Sample type conflict"
Detected sample type is invalid.
Possible causes: o Unsuitable sample type used
Remedy: o Check sample material.
Flag no. 8084 "Invalid sample type"
All calculated values that are based on measurement values of arterial or capillary
blood cannot be displayed.
Possible causes: o Instead of arterial or capillary blood a different blood type was used
Remedy: o Use arterial or capillary blood as sample material and set the correct sample type.
Flag no. 9000 "Calculation error (3)"
PC calculation error.
Possible causes: o An illegal calculation operation has occurred
Remedy: o Remove and replace solutions and packs.
o Turn the instrument off, wait at least 3 minutes, and turn it back on.
o Reinstall software.
e For the details, see Software update on page B-104.