Roche Cedex Bio System User Manual

Roche Diagnostics
E-76 Operator’s Manual · Version 3.1
15 ISE troubleshooting Cedex Bio System
List of ISE flags
R 1(2.5s)
Meaning One control value is above 2.5 standard deviation or below -2.5 standard deviation.
Message ID 36
Priority 28
Possible cause o The reagent has deteriorated (linearity of working curve degraded).
o One control is concentrated or has deteriorated.
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.
R 1(3s)
Meaning One control value is above 3 standard deviation or below -3 standard deviation.
Message ID 35
Priority 27
Possible cause o Improper control is set.
o Proper control values (mean value, standard deviation) are not specified.
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.
>R 2(2s)
Meaning Two sequential control measurements are above 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 instrument.
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.

Roche Cedex Bio System Specifications

General

Brand	Roche
Model	Cedex Bio System
Category	Measuring Instruments
Language	English