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Troubleshooting.md

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Troubleshooting

EGM Connection Issues

  • Occasionally, when connecting for the first time, you will need to stop the RAPID program and start it again
  • The warning message 41822 No data from the UdpUc device[*] indicates a connection issue between the RobotStudio and the ROS 2 computer
    • Check that the communication settings are correct
    • Test the connection between the computers by pinging the ROS 2 computer from the RobotStudio computer and vice-versa
    • Check that the firewall settings on the RobotStudio computer allow communication over UDP on the correct port
    • Verify that the ros2_control_node is listening on the correct UDP socket on the ROS 2 computer
    • If using a container, verify that the required port is forwarded correctly
    • It may help switch the port by changing both the robotstudio_port hardware parameter on the ROS 2 control side, and the port number under the ROB_1 configuration on the RobotStudio side

RWS Connection Issues

  • Try navigating to <ROBOTSTUDIO_IP>:80?debug=true in the browser and logging in with the default credentials (user = Default User, pw = robotics)
  • If you don't see a login prompt, the ROS 2 computer is not communicating with the RWS server.
  • After logging in, if you see RAPI Unidentified Error, try whitelisting the ROS computer's IP
  • A workaround to the whitelisting solution is to use SSH port forwarding