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Random data dropout in UNIFI - Xevo G2-S - WKB17462

Article number: 17462

SYMPTOMS

  • During acquisitions the baseline would drop and there would be no data in that time.
  • The chromatogram showed a straight line from the point of dropout to when the data recovered.
  • Occurs with LC injection and direct infusion with any scan times.
  • Error observed in hyperterminal log "(wtADCAcqTask): ** Data not transferred".
  • SATA drive was replaced on EPC and new ADC PCB was tested but same issues observed.

ENVIRONMENT

  • UNIFI
  • Xevo G2-S

CAUSE

Customer had plugged in their network cable into the second port on the instrument LAN card.

FIX or WORKAROUND

Remove the network cable from the instrument LAN card.

ADDITIONAL INFORMATION

dropout_001.png

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