Roche Cedex Bio, Operator'S Manual

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Roche Diagnostics
C-28 Operator’s Manual · Version 3.1
8 General maintenance Cedex Bio System
Maintenance actions
Perform an air/water calibration
f
Utilities > Maintenance > Abs. Air/Water Calibration
The absorbance photometer calibration determines the air/water correction values
that are needed for result calculation. In addition, the obtained absorbance values for
an empty cuvette at each wavelength are used as a reference for the cuvette blank
check.
Operator time Approximately 5 minutes.
Prerequisites The system must be in Standby status.
Tools and materials required
m
2 cuvette segments with empty cuvettes
a
To perform an air/water calibration
1
Choose Utilities > Maintenance > Abs. Air/Water Calibration .
2
Press .
Your are asked to insert a cuvette segment with empty cuvettes.
3
Open the main cover.
4
If there is a segment in the cuvette ring remove it and check whether there are
used cuvettes.
If all cuvettes of this segment are empty, you can reinsert it.
5
Place a cuvette segment with empty cuvettes on the cuvette ring.
6
Press .
Your are asked to insert a second cuvette segment with empty cuvettes.
7
If there is a segment on in the cuvette ring remove it and check whether there are
used cuvettes.
If all cuvettes of this segment are empty, you can reinsert it.
8
Place the cuvette segment with empty cuvettes on the cuvette ring.
9
Close the main cover.
10
Press .
The system performs the calibration measurements. (It first measures all cuvettes
empty, pipettes water in the cuvettes, and measures them again.)
A message will inform you when the measurements are complete.
11
Scroll to display the results, if required.
12
Check the Outlier statistics .
Make sure that you have read and understood section Safety information on page C-8.
The following warning messages in particular are relevant:
o
Injury through working solutions on page C-8.
o
Infection by biohazardous materials on page C-8.
o
Personal injury or damage to the analyzer due to contact with instrument mechanism on
page C-8.