...
| Issue | Reason | What to do? |
|---|---|---|
| If the QT-HMI got frozen | How to fix the QT-HMI if its screen got frozen | |
| If the Dewar level indicators have large fluctuations | Level sensor tubes are contaminated | Fixing dewar level indicator FNAL Approved procedure: https://seaquest-docdb.fnal.gov/cgi-bin/sso/ShowDocument?docid=10401 |
| Coldheads blocking alarm | Possible contamination or cold heads have been running so long without any intake gHe for a while | |
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