| Robot cannot power on normally | Battery completely discharged | Check if battery charge is normal |
| Robot unstable during standing/walking | IMU integration data requires balance calibration | Press remote "C" to stiffen robot; Raise protective frame to suspend robot; Press remote "D" to zero; Lower frame to ground and maintain vertical position for 1 minute to restore IMU balance data; Move remote "H" joystick to center and long press "A" to stand. Observe if balance restored. If not, repeat steps. |
| Robot zero position incorrect | Original calibration data unexpectedly lost, or impact damage from running/transport caused offset | Contact after-sales engineer for zero position calibration |