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c.) Do we understand why the overfilling (just up to 220L) leads to this contamination issue? Can this be fixed with different tubing?
With past experiences, the level sensor's large fluctuations happened if the Dewar was kept full ( > 210 L) for more than two or three days.
d.) How to adjust the outlet flow while in the Liquefy mode? (without going to the manual mode)
e.) Purifier is still in Manual mode since the beginning, any plans to enable the "auto" mode?
We noticed that once the Liquefiers are accidentally go to "Stop" mode, then v9 and v21 solenoid valves get closed.