Lost controll in loiter & RTL mode no stick response

ArduCopter Copter 4.0
1

Hy everyone, iam happy can signed into this forum.

I have horrible problem : my quadcopter which is powered by :
Pixhawk FC
Pixhawk SE100 GPS
ESC 80A
Brushless motor 360kv
Telemetry 915mhz

Use case : for mini sprayer ( 1 liter capacity )

I just facing problem last couple hour , I fly my drone in the open field ( loiter mode ) everything seem good but after few minute its climb not controllable /fly away, then i switch it to RTL mode and no respones finally i switch the throttle off ( cut off ) emergency shut down

Here is my log file , please help me to solve this , i will really appreciate it
00000037.BIN (1000 KB)

2

I didn’t find RTL configuration on RCx_OPTION.

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But I did find the copter fly into RTL mode, which will cause RC pitch/yaw/roll channel no response.

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I think you have to check your configurations. It’s battery failsafe.

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3

hy lida thanks for your response, so my quad get into failsafe automatically? is it that cause it to climb? i wil recheck these , do you find any other interefernce like vibration or else in my log?

4

Yes

Yes

I think it’s better to take a look all the steps of configuration.

BTW, I think RC5 is your default flight mode switch channel. Check battery failsafe carefully, it seems the rootcause (voltage 22.88V).

FYI: First Time Setup — Copter documentation

5

Okey , last day i also face “gps unhealth signal” , what causes such condition?

6

All these problems are addressed by and solved when using the ArduPilot methodic configurator software.

Use it if you want to safely and efficiently configure your vehicle for safe and proper flight