[Dsg-halla_ecal] lost temperature and pressure readbacks

Marc Mcmullen mcmullen at jlab.org
Wed Jul 2 08:51:28 EDT 2025


Today is a maintenance day. halla-crio-ecal6 is not responding to pings. Hopefully we can reboot, but we have spares. I'll be in later today to look at it.

Marc
________________________________
From: Donald Jones <jonesdc at jlab.org>
Sent: Wednesday, July 2, 2025 8:41 AM
To: Marc Mcmullen <mcmullen at jlab.org>; Brian Eng <beng at jlab.org>
Cc: Bogdan Wojtsekhowski <bogdanw at jlab.org>; Mark Kevin Jones <jones at jlab.org>
Subject: lost temperature and pressure readbacks

Hi Marc, Brian,
I lost the enclosure ambient temperature readbacks yesterday afternoon. When I tried cycling the power, they did not return and in the process of cycling the pump pressures and the front ambient temperatures also did not return. I have one enclosure ambient temperature that was read out by another card that had an extra channel that is still working. All light guide temps also gone.
-Don

Donald Jones
Hall A/C Staff Scientist
Jefferson Lab
Newport News, VA
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