[Hallb-engineering] [New Logentry] Solenoid Relief Valve RV8611 blowing

kashy at jlab.org kashy at jlab.org
Fri May 24 13:35:01 EDT 2019

Logentry Text:
The Solenoid relief valve has been blowing intermitantly since 13:00 yesterday. 
First thought was that the vacuums in the supply and return u-tubes was bad. The vacuum jackets did feel a bit cold but the vacuums were less than 1 mTorr. We left the pumps on them for the rest of the day.

I closed PV8512S fully and cycled EV8611JT to 0 then 100 three times. I put everything back to orignal settings and will check back in a few hours to see if the oscillation has ceased.


This is a plain text email for clients that cannot display HTML.  The full logentry can be found online at https://logbooks.jlab.org/entry/3683488
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