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Waters

2996 PDA Status Light Flashing (Blinking) Green - WKB4499

Article number: 4499

SYMPTOMS

  • Status light is flashing green
  • Lamp light steady green
  • No errors
  • Message Center shows "Lamp Confidence Failure" 
  • Lamp recently replaced

ENVIRONMENT

  • 2996 PDA Detector

CAUSE

Unknown. Could be due to an air bubble occurring when running the start-up diagnostics.

 

FIX or WORKAROUND

  1. Flush the flow cell with clean solvent, no additives.
  2. Ensure that solvent is coming out of the outlet of the 2996.
  3. Power-off the 2996.
  4. Wait five minutes.
  5. Power-on the 2996 while solvent is still flowing to the detector.

ADDITIONAL INFORMATION

2996 PDA Detector Operator's Guide

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