Fault Phenomenon: Autopilot AGV forklift suddenly stops on its route, displays navigation lost, cannot localize.

Troubleshooting Process:
– Checked laser radar: radar lens dirty.
– Checked map: map not updated.
– Checked environment: environment changed significantly.
– Checked network: network latency.

Root Cause: The laser radar lens is covered with dust, preventing it from scanning feature points.

Required Parts: Laser radar cleaning and remapping.