Ok, I have a Q500 standard, it fell out of the sky,being the impatient person i am,and having seen all of the posts all over the net about 2 month plus wait times,i elected to pay for the parts,void my warranty and repair myself. I am now at over 400.00 in parts and shipping,and more than 3 months. I am not going to even list the time i have had with "Customer Support" which is the absolute biggest Oxymoron i have ever witnessed. Everything on the Q has been replaced except the gps chip and the mainboard. this last time i did 2 new ECSs and 2 motors (rear) the GUI now gets to motor 4 before it stops ,it still says esc 2 is bad. Is esc number and motor number the same? When i test in the gui and press FL mtr 1 ,motors 2-4 spin together ,then i go to assignmemt, it goes 1,2,3 and motor 4 (FR) on the gui fails but it says esc 2 failed, WTF over? Now also on about the 10 reassembly i am getting a pressure sensor fail or imu failure, is that an smd on the board? Location anyone, Yuneec CS has guessed at everything they have suggested at well over 400.00 now,i could have bought a bind n fly unit. Anybody with info on these 2 subjects please. I am vegaslightsss on the yuneec.com firums if you wamt to read my posts and see what i have been through.