"I reloaded the system code and the problem went away. I took the plane out for a test flight , switched it into GPS-Home mode. It went practically straight up for a while for what seemed to be a couple hundred feet, then started circling ( out of…"
When I switch to Stabilize or FBW_A, my throttle and throttle control quits. My plane become just a glider. When I switch to FBW_B, the throttle kicks in once the nose of the plane drops below the horizon to return it to level. This is a new…