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SPS 4 Autosampler keeps freezing

Question asked by hcraigbarnes on Oct 24, 2019
Latest reply on Oct 24, 2019 by evanclay

I'm running a 7800 ICP-MS with the SPS 4 autosampler. The autosampler keeps freezing with the following error. 

"Autosampler caused T-axis movement error - Movement was detected on the T-axis without being commanded to move."   Nothing is physically in the way of the autosampler arm. It just loses it's brain at various points during a run. The number of samples it manages to finish is not consistent. 

The sample line out the back of the arm and through the box also does not seem to be impeding its motion.  Has anyone else had similar problems?