109
Maintenance and Care
D
D
An LM Shutdown must be performed after the last measurement has been run at the end of the day and before
shutting down the Cedex HiRes Software. The Liquid Management system is then prepared for an extended
pause, such as overnight or on the weekend. During an LM Shutdown, all of the capillary tubes in the Liquid
Management system are cleaned and rinsed with distilled or deionized water. In addition, the Trypan Blue is
withdrawn from the 8-way valve/syringe and replaced with air. This is to prevent the capillary tubes and flow
chamber from becoming damaged.
An LM Shutdown is automatically preceded by a Standard Clean routine. The 8-way valve is then rinsed with
distilled or deionized water to prevent crystallization, and compressed air finally presses the Trypan Blue
solution back into its container.
To perform an LM Shutdown:
1
Click the HWM button in the Cedex Control Center or select Hardware Management under the Functions
menu.
The Hardware Management dialog box opens.
2
Ensure that a Reagent Kit is installed and a clean, empty Cedex Sample Cup is correctly positioned on the
Multi Sample Tray in the DefaultCup position or attached to the single sample port.
3
Click the LM SHUTDOWN button in the Hardware Management dialog box. The duration of an LM Shutdown
procedure is displayed in the Estimated total time area.
The message “HW started and LM not primed” appears in the current status field when the LM Shutdown is
completed.
4
Click on to close the dialog box.
■
Do not shut down the hardware management via the HW SHUTDOWN button, as this may lead to
hardware errors. If the HW SHUTDOWN function is used, the Cedex Software Server and Client must be
restarted again before the hardware management can be restarted (HW STARTUP).
Step-by-step instructions for shutting down the Cedex HiRes Analyzer are provided in Section D, “Shutting
Down the Cedex HiRes Analyzer” in the Cedex HiRes Analyzer User Training Guide.
The Hardware Management Dialog Box
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