Galaxy display with serial communication is unable to connect to the display, Computer COM port is locked up

Symptoms

  • Unable to communicate to the display.
  • TX light is not flashing on the signal converter when trying to communicate.
  • In Venus 1500 v3, the progress window doesn't pop up when getting status or flashes really quick.
  • In Venus 1500 v4, will either see a No Reply alert or the progress window hangs and never completes.
  • In DakFirmInstaller, there will be an error that the com port is busy.

Environment

  • Galaxy
  • AF-3010, AF-3020, AF-3050, AF-3060, AF-3080, AF-3090, AF-3150, AF-3160, AF-3165, AF-3180, AF-3190, AF-3197, AF-3200, AF-3400
  • Electronic Message Center (EMC) or Board (EMB), Marquee, Readerboard, Display
  • Serial Communication Setups

Cause

  • Computer COM port is locked up.

Resolution

  • Disable and enable COM 1 in device manager or restart the computer.

KB ID: DD2769846


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