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Hi Morgan,</div>
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LTCC S6 fill is complete. The controls is operating normally using a spare Omega process controller.
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S6 is using the old S1 Omega, which was one of two spares. There is only one spare remaining.
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I recommend taking the S6 Omega out of service. I have verified that It is being serviced with 120V AC and is not functioning.<br>
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Marc<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Marc Mcmullen <mcmullen@jlab.org><br>
<b>Sent:</b> Friday, December 22, 2023 6:42 AM<br>
<b>To:</b> Morgan Cook IV <mcookiv@jlab.org>; Brian Eng <beng@jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas@jlab.org><br>
<b>Subject:</b> Re: hall B: LTCC S6 MFC</font>
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Hi Morgan,</div>
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I'll take a look at it when I return from the break. For now I will set the supply controls so they will not try to open S6. I am not sure if the s6 solenoid is still connected to power.</div>
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Marc<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Morgan Cook IV <mcookiv@jlab.org><br>
<b>Sent:</b> Thursday, December 21, 2023 10:21 AM<br>
<b>To:</b> Marc Mcmullen <mcmullen@jlab.org>; Brian Eng <beng@jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas@jlab.org><br>
<b>Subject:</b> Re: hall B: LTCC S6 MFC</font>
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Hey Marc,</div>
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This is a different issue. Neither the supply nor return coil/solenoids respond to the controls for Sector 6, although they work fine when connected to a different sector's controls. </div>
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The sector 6 controls also fail to operate other sectors coil/solenoids when connected to them. The associated 're-circ-it' circuit breakers appear to be okay. However, we're only getting ~95v out. </div>
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We'll need to revisit this after the break.</div>
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Regards,</div>
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Morgan</div>
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<div id="x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Morgan Cook IV <mcookiv@jlab.org><br>
<b>Sent:</b> Tuesday, December 19, 2023 10:15 AM<br>
<b>To:</b> Marc Mcmullen <mcmullen@jlab.org>; Brian Eng <beng@jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas@jlab.org><br>
<b>Subject:</b> Re: hall B: LTCC S6 MFC</font>
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Thanks Marc, I'll look into it.</div>
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-M</div>
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<div id="x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Marc Mcmullen <mcmullen@jlab.org><br>
<b>Sent:</b> Tuesday, December 19, 2023 8:49 AM<br>
<b>To:</b> Morgan Cook IV <mcookiv@jlab.org>; Brian Eng <beng@jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas@jlab.org>; Marc Mcmullen <mcmullen@jlab.org><br>
<b>Subject:</b> Re: hall B: LTCC S6 MFC</font>
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Hi Morgan,</div>
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I changed the set point to get the MFC to respond. It closes when set to 0 and opens full when set to 1. Sounds like the the supply solenoid may be the issue.</div>
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If you have to replace the solenoid, I would use the coil that is on the valve if its not bad. Just make sure you replace like for like.</div>
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Marc<br>
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<div id="x_x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> dsg-hallb_gas <dsg-hallb_gas-bounces@jlab.org> on behalf of Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas@jlab.org><br>
<b>Sent:</b> Tuesday, December 19, 2023 8:31 AM<br>
<b>To:</b> Morgan Cook IV <mcookiv@jlab.org>; Brian Eng <beng@jlab.org>; Marc Mcmullen via dsg-hallb_gas <dsg-hallb_gas@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_gas] hall B: LTCC S6 MFC</font>
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt">Hi Morgan,</span></p>
<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt">I just pinged both the cRIO (hb-crio-ltcc) and the sector 6 mfc (hb-mfc-ltcc-s6) and both are on the network. So it is not a power issue. The software has not lost contact with the mfc according
to the expert panel. </span></p>
<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt">Have you rebooted the cRIO, or just the MFC? I am still trying to verify whether we are getting data from the cRIO or not.
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt">Both Brian and I are on vacation so I have sent this to the mailing list. I’ll contact the other DSG staff so they can look into this.</span></p>
<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt"> </span></p>
<p class="x_x_x_x_x_MsoNormal"><span style="font-size:11.0pt">Marc</span></p>
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<p class="x_x_x_x_x_MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black">From:
</span></b><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black">Morgan Cook IV <mcookiv@jlab.org><br>
<b>Date: </b>Tuesday, December 19, 2023 at 8:04 AM<br>
<b>To: </b>Marc Mcmullen <mcmullen@jlab.org>, Brian Eng <beng@jlab.org><br>
<b>Subject: </b>hall B: LTCC S6 MFC</span></p>
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black">Hey you guys,</span></p>
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black">The LTCC MFC for sector 6 isn't showing any flow. I've power cycled and reset it a couple of times and it's still not responding. Can y'all take a look
at it?</span></p>
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black"> </span></p>
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black">Thanks,</span></p>
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<p class="x_x_x_x_x_MsoNormal"><span style="font-size:12.0pt; font-family:"Aptos",sans-serif; color:black">Morgan </span></p>
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