I m running arducopter on omnibus f4 pro on traditional helicopter set-up all the servos were working normally then suddenly after power down and up i cannot get the servos moving what i set in parameters heli parameters the collective get pitch is very limited despite the values in q control ground station and in mission planner iss showing itnernal error 0x400 can anyone help me on this all servos are behaving very weird no matter what i change in mission planner or q control any help would be greatly appreciated 
Hello,
Can you please advise if now the omnibus F4 is working?
I would like to try it as well.
Thank you very much
Rotem
Yes it works awesome jo problem so far should definitely try Ardupilot on this little beast works awesome