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--- ece4560:visman:01start [2021/10/09 14:30] – pvela
+++ ece4560:visman:01start [2024/08/20 21:38] (current) – external edit 127.0.0.1
@@ Line 26: / Line 26: @@
 //Supplemental Material:// In case you want to learn more about ROS and MoveIt!, there are official tutorials provided by [[http://wiki.ros.org/ROS/Tutorials|ROS]] and [[https://ros-planning.github.io/moveit_tutorials/|MoveIt!]], which provide understanding on how they both work.
+===== Issues and Debugging ======
+> Joint state with name: "" was received by not found in URDF
+> Initialization failed. Unable to start controller edy position controller r_2.
+First check if every motor is powered. Check if the light of each motor flashes once after being powered on. The position of LED light is different for different types of motors. Secondly, after launching controller manager, check that all 16 motors are found. Lastly, make sure there are no error messages  after launching the position controller for each motor.
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