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Problems
Unable to detect the
serial port connected to L1
L1 stopped rotating due to
external interference
Solutions
FAQ
After-sales warranty information
If there is a problem during use, please refer to the following table for solutions. If the problem
cannot be resolved, please contact an authorized dealer of Unitree or Unitree.
Visit https://www.unitree.com/terms for more information on Unitree 4D Lidar-L1's warranty
information.
· Confirm that all cables are correctly connected.
· Confirm whether the adapter is suitable. The power supply require-
ment for the L1 is 12V, 1A.
· Confirm whether the Unilidar driver program is installed.
After the above confirmations, if the serial port connected to the L1
still cannot be detected, try restarting the L1 and Unilidar software.
· Confirm that all cables are correctly connected.
· Confirm whether the adapter is suitable. The power supply require-
ment for the L1 is 12V, 1A.
If the problem still exists, try restarting the L1 and Unilidar software.
· Usually, when external force is released, the L1 will automatically
resume rotation.
· Try restarting the L1.
13
Able to detect the serial
port connected to L1, but
unable to open the serial
port or start sampling
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