Blank, intermittent blanking/flickering of modules or section; Loose SATA Cable

Potential Symptoms

  • Intermittent blanking or flickering of modules or sections of the display.
  • Module is blank.
  • May not be any visual issues with the display at all.
  • Port A and/or B indicators on the back of the module blinking fast though there is no visual issue on the display.

IDM Symptom

  • Loss of Sync events persistent on module(s) in IDM.
  • Loss of Sync ProLink 5 on PLR(s) in IDM.
  • Communication Failure alert on modules in between "Loss of Sync" events in IDM.
  • Checksum Error event on port A or B of module(s) in IDM.


  • Product Family: Message Displays, Billboard, Video
  • ProductBillboard: DB-4000, DB-4100, DB-4200, DB-5000, DB-6000, DB-6400, GalaxyPro: GP3, GP4  Galaxy: GS6, GC6, GT6, DVN, DVX, RTN, RTX, ECCB, GPC
  • Component: SATA Cables
  • Control System:


  • SATA cable is visibly loose, improperly latched, or unplugged.


  • Reconnect the SATA cable that is improperly latched and replace if needed.

KB ID: DD2022193

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