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troubleshooting

method Call Fails​

  1. Check Method Existence: Verify the method exists on the server
  2. Validate NodeIds: Ensure ObjectId and MethodId are correct
  3. Check Parameters: Verify input arguments match method signature
  4. Verify Permissions: Ensure user has permission to call the method
  5. Check Server Status: Verify OPC UA server is running and accessible

node Status Indicators​

  • Green Dot: Method called successfully
  • Red Dot: Method call failed
  • Blue Dot: Method call in progress
  • Gray Dot: Node not connected/configured