AO2:
O2 very noisy - WT jogs are uneven and O2d spikes low:
- suspect ice blockage at WT U-tube b/c it looks similar to noise on TF02 when ice was in SP U-tube, except spikes are in opposite direction
- had WT line open to replace cylinder 2 days ago, could have introduced H2O at that point
- will dry out during tomorrow's maintenance day  [turned out being a flow problem - see notebook]
00:10 system started purging LS but never switched to LS, watchdog failed ~ 00:18, noticed ~ 00:32, to MAN mode, manually switched a valve and flows restarted, manually relit lamp, to AUTO ~ 00:35 and system appears to cycle normally
- somehow, pulling vac for 10 minutes appears to have fixed the O2 noise problem - now around 5 per meg
-03:20 o2 return of downward spikes.
04:09 O2 noise back in full force, disabled ch'over with SP to cell and closed WT 248 to pump out for ~2 min.  Opened WT 248 and renabled ch'over.  Did not seem to help.
04:14-04:14:30 toggled WT 248 ~ 10 times to try to blast out any U-tube blockage.  Renabled ch'over.  Did not seem to help.
Disabled ch'over with WT to cell - no spikes, confirming noise is pressure/flow/switching related
~04:20-04:23 toggled SP 248 open/closed ~ 7 times.  Renabled ch'over..... did not seem to help....

MED:
Um... nothing to report...