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Thermo Fisher Scientific

System stopping after first injection during the syringe purge: dirty glass syringe


After starting a Triplus RSH headspace method, the run stops after approximately two minutes.


Triplus RSH


  • The Triplus RSH Headspace sequence injects the first sample then stops.
  • It was found that the Triplus RSH Headspace Syringe was dirty.
  • The optical sensors used to purge the syringe after injection could not detect that the syringe plunger had moved thus causing a fault.
  • The solution was to install a clean syringe.
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