Briefly, the chassis controller card stopped working, copter 5 months, 35 take-offs without the crash.
The last flight of the chassis has detected a fault, in the office revealed that the control board is not working, the LED is off, the control signals do not pass, problems with the mechanical parts of the chassis are not found.
I have written in support of a local dealer, sent a request to the page -http: //www.dji.com/support/report-problem and nothing ...