fans4863d50f
Flight distance : 4649 ft
United States
Offline
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I had a rough landing with my P3P and the GPS connector on the main board broke the solder joints. everything else works fine, and if I hold the connector down, the GPS signal is good. I could fly without GPS. I decided to replace the main board instead of repairing the old one. I received a new main board (in a DJI sealed box). Install went off without a hitch. I have over 30 years experience working on avionics. When I fired the drone up, I got the normal lights and sounds. It required an upgrade so I upgraded to the latest firmware. After upgrading I calibrated the compass, IMU, and gimbal. Everything appears to working great and the video signal is good. When I try to start the drone I get "Invalid Serial Number". I assume this is the Flight Controller serial number. I checked, and the FC serial number in the DJI GO App is in fact the new serial number listed on the box. I contacted DJI and asked if the FC serial number had been activated. They told me no and to re-sync the RC. I did and still the same. I have uninstalled the DJI Go App, created new accounts, downgraded and upgraded the RC. I even replaced all the cables. This one has me puzzled. DJI says the FC has not been activated, but I can't figure out how to activate. I am starting the repair of the original board and have also ordered a Mavic Air 2 (Christmas present to me from me). I hope to use the P3P as a learning machine. It has been good to me and has traveled around the world. Thanks for any advice.
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