What that means?? sometimes i have the High GPS HDOP but in a few minuts disapear, but later i have this message:
"pre-arm mode not armable"
If i Disable the precheck, i have the same issue...
I am searching on google, but nothing... I have arducopter 3.2.1
PLEASE HELP
EDIT: Issue posted on Github of ardupilot:
https://github.com/diydrones/ardupilot/issues/1935
FIXED Response:
That usually happens when you're trying to arm in a mode that you're not allowed to arm in like LAND or AUTO.