Turbo pumped out the IVC to get a lower background on Leak checker. Previously, it had He exchange gas.
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Leak checked level 10^-6 mbar L/s. Connected LN2 transfer stick on Main Bath and the He gas pipe to it to add He into Main Bath.
Keep it flowing steadily, but no change in leak checker. To get to a better background level, need to pump it overnight,
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H35 temperature reading doesn't make sense if Still is at 280 K. Switched to Cernox and converted resistance readings to see valves close to Still reading. Both 1K and MC thermometers are not showing valid readings above 4K. Since fridge is quite warm, added another tubelength of He exchange gas. We will open the Main Bath today to check for leaks.
