crash_dump.bin (220.1 KB)
ArduCopter V4.6.2 (1ebd4d99)
how can i set drone?
See: Independent Watchdog and Crash Dump — Copter documentation
And there is YouTube video explaining it:
https://www.youtube.com/watch?v=B7edxuvjD4o
You can set up (configure and tune) the drone using the ArduPilot Methodic Configurator software.
The software is translated to Chinese and Japanese. The software allows you to reset all parameters and start anew, so that the crash no longer happens.