When using Go2 quadruped robot, robot abnormalities may occur. Most of the abnormalities are
controllable (with solutions), customers should not panic when encountering these problems, read the
following content and follow the following steps to solve the problem.
If you have any questions, please contact the official technical support of Unitree:
support@unitree.cc
1) Go2 does not stand up after switching on with head flashing red light
Go2 head red light flashing slowly, this means power on failure, carefully check the robot power
on placement, re-position and then reboot. If the robot still fails to stand up, there may be system
abnormality or hardware failure, then you need to contact Unitree official technical support to
troubleshoot the problems.
2) App connectionerror error
If using AP connection mode, please check whether the mobile phone is connected to the AP
hotspot issued by Go2.
If using Wi-Fi connection mode, please check whether the connected Wi-Fi network is normal and
can connect to the external network.
If using 4G connection mode, please check the current traffic situation under [Settings] ->[Mobile
Network] of the App to ensure that the 4G IoT card connects to the external network.
3) Can't use the App to control Go2?
Go2 cannot be controlled by companion remote control and App can't control Go2 at the same
time. If you want to use App to control Go2, please exit the side-following mode first. Press the power
button for 2 seconds to switch off the remote control. Then you can use the App to control Go2.
4) Abnormal standing posture after switching on
After Go2 is switched on, if walking posture is abnormal and it is easy to fall down, etc, and
restarting the robot cannot solve the problem, at this time, you need to re-calibrate the robot joints
according to the relevant steps in Unitree Go App.
Note: Go2 has been calibrated in factory default settings, please do not calibrate the joints for
normal use! Please consult Unitree's official technical support to determine whether you need to re-
calibrate the joints after Go2 has an abnormal situation!
App joint calibration entrance is [Settings]->[Data]->[Machine Dog]->[imu Information]->[Cali-
bration].
5) Radar stops rotating when meet external force
Normally, when relieving external force, the radar will automatically resume rotation. If it still can't
work, you can try to make the radar roll by fiddling with your hand. If the problem still remain unsolved,
please try to restart Go2. If it can't be solved after restarting, you can check the malfunction details on
the app, and consult with Unitree's official technical support.
6) Restore Factory Settings
The reset button is on the back of Go2, which can complete the factory setting of Go2. The
operation method is as follows: press the reset button (long press, do not release) in the power off
state, power up the Go2 battery (short press + long press for 2 seconds), then you can reset the
factory settings. Wait for the yellow light blinking after powering up Go2, at this time you can release
the reset button and wait for the green light on the head of Go2, the system reset is successful, it
takes about 30 minutes.