Hi Ken,
I strongly suggest updating the firmware. There was an update from Bruker
last year that solved this issue for us.
Best,
Hasan
_____________________________
Director, PMRC Core NMR Facility
College of Chemistry
University of California, Berkeley
D35A Hildebrand Hall
Office: (510) 643-9829
Cell: (949) 732-8175
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On Mon, Oct 5, 2026 at 7:32 AM Kenneth Sharp-Knott via groups.io wrote:
> Hi everyone,
> We are experiencing frequent, spurious autosampler error trips on our
> 60-position SampleCase. Despite user education, users loading or retrieving
> tubes near the transport mechanism frequently brush against the red safety
> / tube-height detection arm.
> Compared to our 24-position units, the mechanism on the 60-position
> carousel feels loose, has weaker return tension, and seems prone to cause
> errors. Even a slight nudge trips the sensor, turns the status light solid
> red, and halts automation until manually reset.
> Has anyone implemented an effective physical or mechanical workaround for
> this (e.g., auxiliary rubber bands, some kind of maintenance to the pivot
> point, or other suggestions) to prevent false trips without bypassing the
> over-length safety check?
> Any insights or field fixes would be greatly appreciated.
> Thanks,
> Ken Sharp-Knott
> Senior Manager, NMR & Analytical Core Facilities
> Department of Chemistry
> Virginia Tech
>
> (540)267-6502 (Cell)
> (540)231-0885 (Office)
>
>
>
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Received on Mon Oct 05 2026 - 08:45:43 MST