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Is Your Orbi flashing magenta LED or Orbi WiFi shows pink light? If yes then do check if the orbilogin setup is done properly.
Ensure orbi and satellite has completely establish connection and there is no corrupted setting.
Check placement and position of Orbi and satellite. Should be close to each other.
If still solid magenta or purple light blinking on Orbi, Then do refer guide to fix orbi purple light.