Diagnostic Event: Communication Failure on module, Blank module(s), Unknown cause

Potential Symptoms

  • Module is blank.
  • Potential poor image quality. Without power or a ProLink signal, the module is likely not displaying display data correctly.

Diagnostic Event(s)

  • Communication Failure on module.
  • Missing Frame on module.

Environment

  • Product: DB-6400, DB-4200, DB-4202, DB-4050, DB-4100, GS6, DVX
  • Component: Module
  • Control System: Venus Control Suite (VCS), Show Control, Display Studio

Cause

Unknown.

  • Suspect: The module may have lost power or both ProLink signals or the module may not be outputting the correct display data.

Resolution

  1. Check the display's webcam to determine if there are visual issues.
  2. If failures are visible, verify that the module has power.
  3. Ensure that the A and B ProLink signals leading to the module are intact and functioning.
  4. Reseat SATA cables and power cycle the module.

Related Resources

Diagnostic Event: "Communication Error!" in Venus Control Suite, Network blocking communication to venus.daktronics.com.
Diagnostic Event: VCS Dashboard showing Communication Error; VIP online while DMP offline, DMP port not selected
Diagnostic Event: Communication Failure - Inactive Bus Connection

KB ID: DD2878808


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