How do I troubleshoot my WWVDS highlighted sign?

This article discusses troubleshooting steps to take when investigating a WWVDS highlighted sign issue.

To verify that all LEDs on the GovComm WWVDS highlighted sign are functioning properly, apply 12 VDC directly to the sign cable.

  • Before applying power, verify the polarity of the sign wires and ensure that the power source is set to 12 VDC.
  • Once 12 VDC is applied, confirm that all LEDs on the sign illuminate properly.