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
>
>
--
Dr. Bob Berno
Manager, NMR Facility
McMaster University, ABB-156
1280 Main St. West
Hamilton, ON L8S 4M1
T: 905-525-9140 x24158 or x24686
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Received on Wed May 07 2025 - 09:35:24 MST