Quad flipped upside down in Loiter mode

Hi All this is my first post looking forward to spending some time on this forum

I'm flying a Steadidrone Dash with Amp 2.5 Arducopter 3.15

530KV motors and had cheapy 12x4.5 plastic props

Did the compassmot setup to try and stop the circling in loiter mode seemed to help a bit. Later the day after flying for about 3 minutes I tried loiter mode again at about 1m from the ground and the quad was steady..........until it just flipped upside down and crashed.

Any ideas on Why?

Flight log atached

2015-06-07 13-54-03.log

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Replies

  • Thanks, where can I measure the voltage to make sure the reading is calibrated?
    • Under logs there CURR and Vcc,

  • Auto Analysis says "Test: VCC = FAIL - VCC below minimum of 4.6v (4.417v)" It crashed because your board wasn't receiving the proper voltage, and from the looks of it your VCC was way under the whole time averaging  around 4.55V. If I had to guess, you're power supply is bad. 


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