Two modules blank, failed power supply harness

Potential Symptoms

  • Two adjacent modules are blank, may be vertical or horizontal.
  • Power supply for modules does have 120 Volts AC and 12 Volts DC outputting but no voltage at 1 or both of the blank modules.


  • Product Family: Message Displays
  • Product: GS6
  • Component: Power Supply Harness
  • Control System:


  • Loose Pins or Damaged Wire preventing power from reaching both the modules


  • Replace the power harness.

KB ID: DD4133765

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