Daktronics

Galaxy Display using a RS-232 to RS422 signal converter is unable to communicate, Signal converter is locked up

Potential Symptoms

  • No communication to display.
    • TX LED is not flashing when attempting to communicate.
  • "No response" alert in Venus 1500.
  • Loopback test fails out of signal converter.

Environment

  • Galaxy
  • AF-3150, AF-3160, AF-3165, AF-3180, AF-3190, AF-3197, AF-3200, AF-3220, AF-3400
  • RS-232 to RS-422 Signal converter or Radio J-box
    • Included with 422 communication option and serial radio kits

Cause

  • Signal converter locked up and isn't outputting data.

Resolution

  1. Unplug power from the signal converter.
  2. Wait a few seconds.
  3. Plug signal converter power back in.
  4. Update messages on display.
  5. Could take a couple of minutes to work, may take as long as  5-15 minutes before able to update display.

KB ID: DD2421607

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