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Sample Manager "column door open while running" message - WKB622

Article number: 622

SYMPTOMS

  • Sample Manager produces an error message "column x door open while running" and stops the run.
  • Active preheater does not achieve the programmed set point temperature for the selected column

ENVIRONMENT

  • H-Class Column Manager-Active
  • I-Class Column Manager-Active

CAUSE

The magnet on the internal cover is missing.

FIX or WORKAROUND

  1. Replace the column trough cover assembly.
    • Part number 700005439 for the Column Module Front Trough Cover

ADDITIONAL INFORMATION

  • The magnet is located on the column trough cover. The read sensor is located within the dual column trough assembly.
  • Closing the compartment trough cover engages a magnet switch that turns on the 24V to the active preheater.  
  • The active preheater operates at the set point temperature of the selected column position when the trough compartment cover is closed.

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