svjobeth34
lvl.4
Flight distance : 24915 ft
Offline
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Hello all:
My P4P+ has started switching between P mode and Atti mode during flights. All firmware for the batteries, aircraft, and controller is current. For almost all of my flights, I take off and land in P mode.
The first time the switch happened, the aircraft went from P to Atti for a few seconds. When the aircraft was back into P, I landed and rebooted the controller and the aircraft. The aircraft flew fine on two more batteries. On the fourth battery, the switch occurred again. Once again, I landed, rebooted the aircraft and controller, and then flew a fifth battery with no apparent issues.
Later on, I reviewed the flight logs. While I was aware of the two switches i described as having occurred, the flight log showed 11 different times the aircraft lost all GPS contact and two times there was a 'speed' issue. Most of the lost signal notifications were apparently too quick for the switch to happen, as fast as .05 second. Some of the red letter log messages showed 'GPS Position No Match' with as many as 18 satellites linked; others showed the same message with 0 satellites linked. During the longer switches, the voice on the remote controller announced the change to Atti mode. After speaking with several other pilots familiar with the P4P, the consensus is a poor connection between the on-board GPS module and the main board.
This past Friday, I flew again at a different location, approximately two miles away from the location where the switching started. This time, the switch happened multiple times. Unlike before, there were no voice announcements from the controller. I noticed the first switch when the aircraft was over 100' AGL and began moving like a rocket. The other switches were noticed after the Phantom began to drift during flight or hover.
While I agree all pilots should be competent to fly in Atti mode, I would prefer to determine when the flights occur. If this is indeed a hardware issue, is it worth pursuing a warranty claim with DJI? The Phantom was purchased new in January 2018, from B&H Photo in the US.
Thanks!
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