New FLXR3 radio not communicating with old FLXR3 radio; firmware compatibility issue.

Potential Symptoms

  • New FLXR3 radio not communicating with old FLXR3 radio; firmware compatibility issue.
  • Newly installed Server Radio (version 2187) isn't communicating with currently installed Client Radio.
  • Newly installed Client Radio (version 2187) isn't communicating with currently installed Server Radio.


  • Product Family: Digit and Price Displays
  • Product: FL-3000, FL-4500
  • Component: FLXR3 Server Radio, FLXR3 Client Radio
  • Control System:


  • Firmware compatibility issue.


KB ID: DD4213330

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