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MON20/20 Software for Gas Chromatographs User Manual
SEPTEMBER 2010 3-9000-745
3-13
2. Select the desired mode from the drop-down menu under the Switch
cloumn for the valve.
3. To save the changes and leave the window open so that you can
monitor the valve’s progress, click Save. The current state of the valve
displays in the State column, and is updated in real time.
4. To save the changes and close the window, click OK.
3.2.3 Monitoring the operational status of a valve
To check a valve’s status, select Valves... from the Hardware menu.
Figure 3-10. The Valves window
The status of each valve displays under the Status column. There are five
possible status readings, and their meanings are as follows:
OK The valve is installed and is working correctly.
Not Installed The valve is not installed.
Under/Over Current Error Unable to switch the solenoid on or off. There is a potential
problem with the solenoid.
Error The Heater/Solenoid board is installed but the GC cannot
communicate with it.