Plane disarm in Air

ArduPlane Plane 3.9
1

Hi guys… in the last flight, when the plane was fly, I saw No RC Receiver warning and after then Disarmed in the air.
Any idea please

2

question have you set rudder arm and disarm ?
i have seen this before where the receiver was set up as fail safe for another plane then used in a another and it disarm the plane

logs and pram files will be a help and what receiver are you using

3

Hi yak-54
My Arming_Rudder was 2
But the plane was away from the TX Controlled… I saw Disarm and after then I lost GCS Data…
I use Futaba R7008SB receiver

4
Summary

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5

Arming_Rudder 2 = arming and disarming not good
can you check receiver in mission planer in the RC inputs page if you turn off the TX see if the receiver does

6

Ok I’ll check and back to you