Mirror display is garbled; No power to Interconnect card

Potential Symptoms

  • Mirror display is garbled.
  • Issue may occur after a power supply replacement on either the Primary or the Mirror display.


  • Product Family: Message Displays
  • Product: AF-3400 (2v) Primary-Mirror
  • Component: Powered interconnect QC cards
  • Control System:


  • One of the interconnect QC cards has no power.
    • May be due to a failed power supply output, fuse, or may be unplugged.


  • Plug power into QC or replace fuse/power supply as needed.

For Temporary Operation

  • If issue is a blown fuse, may be able to take a good fuse from an unused output of the power supply and replace it.

KB ID: DD4292057

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