Roche Diagnostics
Operator’s Manual · Version 3.4 F-53
Cedex Bio analyzer 15 ISE maintenance
ISE maintenance actions
Electrode service
f Utilities > Maintenance > Electrode Service
The electrodes must be cleaned regularly to prevent the buildup of deposits and so to
maintain the efficiency of the ISE unit.
During this action, the ISE Sodium Electrode is etched and all electrodes are
deproteinized and activated, and the tubing is conditioned.
Operator time Approximately 9 minutes.
Prerequisites The system must be in Standby status.
Tools and materials required m ISE Etcher
m Activator
m ISE Deproteinizer
a To perform electrode service
1
Select the maintenance action Electrode Service.
2
Press .
The maintenance definition screen is displayed.
3
Press to start the action.
A placement list is displayed.
4
Place the Activator, ISE Deproteinizer, and ISE Etcher on the sample area
positions indicated on the screen.
5
Press to confirm the placement and to start the action.
A message will inform you when the maintenance action is complete.
6
Remove the Activator, ISE Deproteinizer, and ISE Etcher from the sample area.
7
Press .
Make sure that you have read and understood section Safety information on page F-46.
The following warning messages in particular are relevant:
o Injury through working solutions on page F-46.
o Infection by biohazardous materials on page F-46.
You need to perform a main calibration before you can process orders.
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