- Open the QT HMI cupboard and turn ON the main breakers.
- You will see the system startup on the HMI screen.
Then, open the cupboard again and check the PLC computer screen (the small one located top left corner of the cupboard).
If it shows this "STOP" sign (left image below), then navigate to the "settings" (using the arrow buttons below the screen), and go to the "RUN/STOP", press OK for RUN.
If you are accessing the QT HMI remotely, then - Switch to the Run + Auto mode in the main screen.
- Ensure the Helium Compressors screen shows the following configuration
- Ensure the purifier helium screen has the following configuration (open v9a and v21a)
- Switch each liquefier to Run + Manual + Idle configuration first
- You will see both SVSAMPLE and SV03 are opened at this time. So switch the Supply Manifold option to "Manual" (when you do this SV03 will be closed automatically). Open SV03 and close SVSAMPLE.
- Ensure both Liquefier Settings parameters are the same as in the following screenshot.
- Switch both Liquefiers to Run + Auto + Liquefy mode
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