Module(s) blank or partially blank, discolored, or pixelated, Failed module

Potential Symptoms

  • Red/blue/green/pink line running across the display (can be entire row, may be partial row).
  • Castellated or block effect running across the display (can be the entire row, may be partial row).
  • Only a portion of the module row is blank or garbled; may be described as a line through the modules.
  • Pixelation or garbled image on a module row (can be entire row, may be partial row).
  • Small, blank square on one corner of module, rest of mod may be very bright.
  • Problem will follow module when swapped with a working module.
  • Flicker or intermittent blanking (can be entire row or single mod).
  • Playing pixelated green on module and modules that follow with yellow content.
  • Checksum Error event in IDM.
  • Ribbon cable jack on module damaged.
  • Part or all LED's turn green on module.

Note:  In primary-mirror display issue may persist across both faces.


  • Product Family: Billboards, Message Displays, Video
  • Product: DB-1000, DB-2000, DB-3000, DB-4100, DB-4200, DB-4202, DB-5000, DB-5100, DB-6000, DB-6400, AF-3010, AF-3020, AF-3050, AF-3060, AF-3080, AF-3090, AF-3150, AF-3160, AF-3165, AF-3180, AF-3190, AF-3197, AF-3200, AF-3220, AF-3400, AF-3500, AF-3550, AF-3700, GPC, GPR (Revolution), GS6, GP3, GP4, ProStar, ProAd, DVX, DVN
  • Component: Module
  • Control System:


  • Failed/bad module.


  • Replace failed module.

Note:  Blank (empty) module may be available for some display types.

For Temporary Operation

  • If no replacement modules are available, move module to end of signal chain to minimize the visual impact.
    • The end of the signal chain is either the right side of a single display or the right side of the mirror face on a 2v configuration.

KB ID: DD1995355

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