One or more module(s) are partially blank; Bad ribbon cable

Potential Symptoms

  • Top, middle, or bottom portion of a module or string of modules is blank.
  • Blank line through a module or row of modules.
  • Possible Checksum Error on the modules in IDM.


  • Product Family: Billboard, Message Displays
  • Product: Billboards: DB-1000, DB-2000, DB-3000, Galaxy: 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, GalaxyPro: AF-3700, GPR
  • Component: Module to module ribbon cable
  • Control System:


  • Bad ribbon cable.


  • Replace bad ribbon cable.

Work Around

  • If no replacement ribbons are available, relocate the faulty ribbon cable to the end of the 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: DD2067714

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