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autosampler injector needle stuck in sample vial

Question asked by qiaoli on Feb 5, 2020
Latest reply on Feb 6, 2020 by qiaoli

We have an Agilent 7683B automatic liquid sampler. The injector needle after lowering into the solvent vial gets stuck in position and vibrates, which generates error and aborts the injection sequence. Has anyone seen problem similar to this before and any suggestion on fixing it? Thanks!