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Baseline only or no peaks in chromatogram of 2424 - WKB110648

Article number: 110648

SYMPTOMS

  • 2996 and 2424 are connected in series
  • 2996 can detect obvious peaks, but no peaks in 2424
  • Gain value is set to 100 and noise value is 0.4 lsu, which is normal

ENVIRONMENT

  • 1525 Binary HPLC Pump
  • 2996 PDA Detector
  • 2424 Evaporative Light Scattering Detector

CAUSE

Dirty nebulizer

FIX or WORKAROUND

Clean the nebulizer ultrasonically. Refer to section 4.5 in the 2424 Overview and Maintenance Guide.

ADDITIONAL INFORMATION

 

id110648, 2424, 2424B

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