Instrument Issues

The AVIII has been having an intermittent error on sample insert/eject.  I have been working closely with Bruker to troubleshoot this ongoing issue.  If you find the system in error state (the SampleJet light flashing), please contact the NMR manager and leave the system alone.  Do not attempt to recover a sample or fix the error.  It is important that the manager is able to see the error messages and the orientation of the sample to the instrument in order to understand the problem.  Please make sure to use high quality NMR tubes that are clean and unbroken.  Make sure the cap fits snugly to the tube.  If your NMR tube is poor quality this increases the chance for system failures.  The tubes need to fit snugly into a spinner. Chipped, broken, or short tubes will be removed from the system and discarded.

Also, never manually turn the rack in the SampleJet.  This can damage the motor.

I appreciate your help as we make sure the system is optimized to generate high-quality and high-throughput NMR data.

-TLY, manager

The spin issues have been resolved on the DPX 400. Please let the manager know if you experience further issues. – TLY

The DRX500 is experiencing an intermittent issue.  You may have noticed over the past several months a TCU timeout error after attempting a wobb, rga, or zg command.  Or, one of these acquisition seems to never start running.  Typically, after the TCU error, if you retype the command, the acquisition will begin.  If the acquisition does not start, you may close the XWIN-NMR program completely and reopen.  When closing the program – your current point in the acquisition process is retained so that you do not need relock/shim or reload the parameter set.

This error is extremely intermittent which requires time to test parts.  One board was replaced already and the issue is persisting.  It is important to let the NMR manager know if you experience this issue and are not able to proceed with your experiment.