AF-3400 Galaxy showing two fully lit lines across both sides; incorrect module type

Potential Symptoms

  • AF-3400 galaxy display showing two fully lit lines across the primary and mirror sides of the display.
  • While running test patterns on the display, showing lines or other unwanted patterns such as blank sections.


  • Product Family: Message Displays
  • Product: AF-3400
  • Component: 20mm Module
  • Control System:


  • Module type is incorrect in M2config.


KB ID: DD2390877

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