I had this happen and it turned out to be that the sensor at the top of the
magnet had become slightly misaligned so that is no longer saw the sample.
Hope this helps.
Laurie
> From: main_at_ammrl.groups.io On Behalf Of Zdeněk Tošner via groups.io
> Sent: Monday, April 27, 2026 5:00 AM
> To: main_at_ammrl.groups.io
> Subject: [EXTERNAL]:[AMMRL] SampleCase error during ejecting sample
Dear all,
I would like to ask about our problem with SampleCase (24 positions, installed
2015) on our Bruker Avance III 600MHz (installed 2009) running Topspin 3.6.4
on linux. In the past, we experienced this error occasionally, it was highly
intermittent with long periods of no problems. Today, we have it back.
When ejecting samples (ej or pressing the button), the sample comes out from
the magnet and is catched on the top. Immediately after, the samplecase issues
the error "BSMS Error: SampleTransporter: Carrier on top of magnet bore detected
(BST). Please remove it manually." and all lights turn red. Removing the sample
can be done in several ways, turn off the sample changer, press emergency stop
button twice, or even just reset samplechanger using the BSMS Service Web tool.
During reset, samplecase detects the sample catched on the top of the magnet and
safely delivers it back to the sample changer, no need to touch anything manually,
all is just a single mouse-click on reset in the webtool.
I have not figured out how to prevent this error. All sensors are clean. Power
cycles done. Firmware reloaded. Spinners new and clean. No mechanical obstacles.
I would be grateful for any ideas.
Best wishes,
Zdeněk Tošner
--
Laboratory of NMR Spectroscopy
Charles University in Prague
Faculty of Science
Albertov 6, 128 43 Praha 2
http://www.natur.cuni.cz/en
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Received on Mon Apr 27 2026 - 08:07:42 MST