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User name A. Camsonne
Log entry time 17:05:12 on October 12, 2006
Entry number 186919
keyword=Right Arm NMR regulator off
We lost control of the right power supply since yesterday. Hopefully the
current is pretty stable giving us a stable field we are monitoring with
the NMR probe.
I discussed with Jack and Mark about that, it seems the we have the
serial communication problem, Jack told me that communication could
resume and make the magnets drift a lot so he advised to leave the
regulator off until we get the control back of the power supply.
Jack thinks he can fix the problem for good by changing the serial cable
but this requires an access. He also advises to do it before the week-end
so that we save the time to call in a tech if the current/field drift too
much he estimates a 20 minutes access should be enough to do that. So
I'll let the run coordinator decide what are the plan about this issue.
But for now the regulator is off.
A copy of this log entry has been emailed to: ent@jlab.org,segal@jlab.org,strauch@jlab.org