Hi Bob,
Thank you. The BCU II gives the same error message whether we control it
remotely or manually.
Thanks,
Thomas
Thomas K. Weldeghiorghis, Ph.D.
Director, NMR Facility
Department of Chemistry
Louisiana State University
232 Choppin Hall
Baton Rouge, LA 70803
225-578-5346
________________________________
> From: main_at_ammrl.groups.io on behalf of Bob Berno via groups.io
> Sent: Wednesday, May 7, 2025 11:03 AM
> To: main_at_ammrl.groups.io <main_at_ammrl.groups.io>
> Subject: Re: [AMMRL] BCU II Chiller Issue
Hello Thomas,
I have seen many different errors over the years related to the BCU-II, but
never this one.
I suspect a minor issue with communication. It's communicating sufficiently
well to be able to switch it on and off, but it seems to have trouble getting
sensor information.
What happens if you try to use the manual switch on the BCU-II instead of
controlling it remotely through software? Does the chiller stay on? Or
does it still switch itself off?
Bob.
On 2025-05-07 10:32 a.m., Thomas K Weldeghiorghis via groups.io wrote:
Hi all,
We are experiencing an issue with a BCU II chiller connected to our 700 MHz
AvNeo spectrometer. After operating for a few minutes, the chiller turns off
and displays the following error message:
“BSMS error
VtChiller::CheckForMeasurmentActivity(): no activity -> switching Chiller off!”
I would greatly appreciate any suggestions or guidance on how to resolve this issue.
Thank you in advance for your help.
Best regards,
Thomas
Thomas K. Weldeghiorghis, Ph.D.
Director, NMR Facility
Department of Chemistry
Louisiana State University
232 Choppin Hall
Baton Rouge, LA 70803
225-578-5346
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