Symptoms
Points to check
Abnormal packet size
(missing packets)
Make sure that the following conditions are met:
•
Azimuth FOV is properly set; this can be confirmed using either web control or PTC commands.
•
Spin Rate is steady; this can be confirmed using PandarView 2, web control, or PTC commands.
•
The lidar's internal temperature is between –20℃ and 90℃; this can be confirmed using PandarView 2, web
control, or PTC commands.
•
Ethernet is not overloaded.
•
No switch is connected to the network (the data transmitted from other devices may cause network congestion
and packet loss).
Afterwards, follow the steps below:
1. connect the PC to no other devices but the lidar and check for packet loss.
2. Power on again to check if the symptom persists.
Abnormal point cloud
(obviously misaligned
points, flashing points, or
incomplete FOV)
Make sure that the following conditions are met:
•
The lidar's cover lens is clean. If not, refer to Section 6 Maintenance for the cleaning method.
•
The lidar's angle correction file is imported (refer to PandarView 2 User Manual).
•
Azimuth FOV is properly set; this can be confirmed using either web control or PTC commands.
•
Spin Rate is steady; this can be confirmed using PandarView 2, web control, or PTC commands.
•
The lidar's internal temperature is between –20℃ and 90℃; this can be confirmed using PandarView 2, web
control, or PTC commands.
Afterwards, follow the steps below:
1. Check for packet loss.
2. If no packet is missing and the point cloud flashes, please update PandarView 2 to the latest version (see
Downloads page of Hesai's official website or contact Hesai technical support); and then restart the PC.
If the point cloud is still abnormal, connect the lidar to another PC and power on again to check if the symptom
persists.
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General