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The HPLC autosampler does not detect the sample after the injection
It may be that you misplaced the HPLC vials, or the sample in the selected sample is not high enough to cause the sample to be sampled.
If the sample bottle is ok, check the workstation interface to see if you forgot to trigger a button while you were injecting it.
If there is no problem with the HPLC vials and the workstation, look at the HPLC autosampler parameters for any abnormalities, which may be caused by the HPLC autosampler's abnormality!
This is the end of the introduction of "waiting for trigger" showed on the HPLC autosampler. I hope it can help you.