VFC will only play the test patterns on the sign


  • The VFC will only play test patterns that pull information directly from the mod. IE. 7 Segment, Module Rev and Module Address .


  • VFC (Vanguard Field Controller)
  • Display Interface Board (VCB II)


  • The Display Interface Board is addressed incorrectly. 
  • The first sign should be address 0, then the second should be address 1, The third sign should be address 2, the fourth should be address 3 and so on.


  • Locate the Display Interface board in each sign.
  • Re-address them accordingly using a small flat head screwdriver.
  • Then cycle power to the Display Interface Board.

KB ID: DD3446002

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