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Hi Dr. Rossi,</div>
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Yes, it would be best to order a new spare specifically for RICH. <br>
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It looks like the price will be $1,163.00. I will submit a PR today since it'll take some time for it to be delivered.<br>
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If something like this does happen again until the spare arrives, DSG does have other compatible chassis that could be swapped in if needed.</div>
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-Tyler<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Sent:</b> Thursday, October 13, 2022 11:28 AM<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [New Logentry] RICH Sector 1 gas system readout chassis replaced</font>
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<p class="x_MsoNormal"><span style="font-size:12.0pt">Very well! Thanks</span></p>
<p class="x_MsoNormal"><span style="font-size:12.0pt">Do we have to order now another spare?</span></p>
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<p class="x_MsoNormal"><span style="color:black">-------------------------------------------</span></p>
<p class="x_MsoNormal"><span style="color:black"># Patrizia Rossi<br>
# Jefferson Lab <br>
# 12000 Jefferson Avenue<br>
# Suite 5<br>
# Newport News VA 23606 (USA)<br>
# e-mail: </span><a href="mailto:rossi@jlab.org"><u><span style="color:#0563C1">rossi@jlab.org</span></u></a><span style="color:black"><br>
# phone: +1 (757) 269 7740<br>
# fax: + 1 (757) 269 5800</span></p>
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<p class="x_MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt; color:black">From:
</span></b><span style="font-size:12.0pt; color:black">dsg-hallb_rich <dsg-hallb_rich-bounces@jlab.org> on behalf of tlemon@jlab.org <tlemon@jlab.org><br>
<b>Date: </b>Thursday, October 13, 2022 at 11:25 AM<br>
<b>To: </b>dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject: </b>[dsg-hallb_rich] [New Logentry] RICH Sector 1 gas system readout chassis replaced</span></p>
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<h1><span style="font-size:15.0pt; font-family:"Trebuchet MS",sans-serif; color:#555555"><a href="https://logbooks.jlab.org/entry/4057396">RICH Sector 1 gas system readout chassis replaced</a>
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<li class="x_MsoNormal" style="color:#555555"><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif"><a href="https://logbooks.jlab.org/entry/4057396/edit?destination=email/send">Edit</a></span></li><li class="x_MsoNormal" style="color:#555555"><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif"><a href="https://logbooks.jlab.org/entry/4057396/delete?destination=email/send">Delete</a></span></li></ul>
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<p class="x_author-datetime1"><span style="font-size:8.5pt; font-family:"Trebuchet MS",sans-serif; color:#555555">Lognumber
<a href="https://logbooks.jlab.org/entry/4057396">4057396</a>. Submitted by <a href="https://logbooks.jlab.org/user/tlemon">
tlemon</a> on <a href="https://logbooks.jlab.org/entries?start_date=1665671041&end_date=1665678241&book=DSGLOG&book=HBLOG&book=RICH">
Thu, 10/13/2022 - 11:24</a>. </span></p>
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<b><span style="font-size:8.5pt; font-family:"Trebuchet MS",sans-serif">Logbooks:
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<span style="font-size:8.5pt; font-family:"Trebuchet MS",sans-serif"><a href="https://logbooks.jlab.org/book/dsglog">DSGLOG</a>
<a href="https://logbooks.jlab.org/book/hblog">HBLOG</a> <a href="https://logbooks.jlab.org/book/rich">
RICH</a></span></p>
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<b><span style="font-size:8.5pt; font-family:"Trebuchet MS",sans-serif">Entry Makers:
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<span style="font-size:8.5pt; font-family:"Trebuchet MS",sans-serif">mirazita</span></p>
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<p><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif; color:#555555">RICH Sector 1 cooling air flow, cooling system buffer tank, and nitrogen purge flow reading dropped out (incorrectly read zero).</span></p>
<p><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif; color:#555555">In the past a hard reboot of the system resolved the issue but the failure kept occurring after reboots.</span></p>
<p><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif; color:#555555">The expansion gas system readout chassis that monitors those sensors was swapped out for a spare, resolving the issue.</span></p>
<p><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif; color:#555555">RICH S1 hardware interlocks are now back to normal operating conditions.</span></p>
<p><span style="font-size:9.5pt; font-family:"Trebuchet MS",sans-serif; color:#555555">Marco Mirazita has turned HV and LV back on for the detector.</span></p>
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