Troubleshooting

Symptom	Check first
Cannot connect to Tianzhun 003	IP, host subnet, and cable
Robot fails to start	E-stop, robot power, and Robot log
3D and physical poses differ	Model configuration, Robot state, and joint feedback
Pico cannot connect	Pico address, target IP, network module, and Ethernet adapter
Skye arms move but BODY/LIFT does not	Model configuration and waist/leg tracker placement, charge, and tracking state
Luna arms move but torso/legs do not	Model configuration and waist/leg tracker placement, charge, and tracking state
Skye does not show VR Connected	Current Skye releases must not be diagnosed from this state alone; also verify continuous target-pose and enable data
Luna receives data but cannot teleoperate	Headset-to-controller TCP session, target IP, client version, and network state
Motion direction is wrong	Left/right units, tracker orientation, and Home pose
No camera image	Camera module, four-camera wiring, and log
No teleoperation motion	Robot Ready, Impedance Mode, Home, and headset connection

Press the emergency stop immediately for abnormal motion, instability, or interference. For support, provide the model, versions, fault time, logs, and tracker-wearing photos.