We still get the same error messages and the goniometer just does not move. Bruker Apex DUO Two X-ray sources: Mo and Cu Greater Mo intensity with the Triumph monochromator - useful for challenging or weakly diffracting crystals High. We reassembled the goniometer assembly and were hoping that all issues would be resolved and the instrument would start up normally. But, unfortunately the wires connecting the motherboard to the motor and encoder for the kappa and phi axis had gotten so twisted that we needed to replace them.ģ) We obtained new encoder cables from Bruker and managed to replace all the cables. We thought that we had potentially managed to open things up and located the source of the problem. APEX4 Software Bruker Single Crystal X-ray Diffraction (SC-XRD) APEX4 Software The next major release of the worlds most popular software package for chemical single crystal diffraction. Consequently, it torqued/rotated the wires inside the central part of the goniometer and created a strain/tension in the lines due to which a lot of the wired connections to both the "motor" and the "encoder" to the "Kappa" and "Phi" axis got yanked from their positions. Upon, starting the instrument we encountered the same error and the same problem with no movement of the goniometer.Ģ) Upon further investigation we found that due to issues related to failed limit switches our "Omega" axis rotated more than the prescribed limits for the axis (see attached document called "Kappa Goniometer Issues" for details). So, we replaced all the limit switches with new ones.
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