Roche Diagnostics
Operatorโs Manual ยท Version 3.4 F-81
Cedex Bio analyzer 16 ISE troubleshooting
List of ISE flags
<R 2(2s)
Meaning Two sequential control measurements are below the -2 standard deviation.
Message ID 29
Priority 26
Possible cause o The controls are not properly prepared.
o The controls are not properly positioned on the analyzer.
Recommended actions 1. Repeat with fresh control.
2. Check that the correct control material has been used.
3. If the flag reappears, check the calibration and reagent status. Repeat with fresh
reagent.
> RR
Meaning Above reference range.
The calculated concentration is greater than the upper limit of the expected value
range.
nnnnn is the actual value that was checked against.
Message ID 40
Priority 22
Recommended actions No action required.
< RR
Meaning Below reference range.
The calculated concentration is less than the lower limit of the expected value range.
nnnnn is the actual value that was checked against.
Message ID 41
Priority 23
Recommended actions No action required.
Seg Fluid
e
See Air Fluid.