Hey guys, I have a quadcopter setup with APM 2.5, all the calibrations and firmware updates worked well with mission planner everything seems to be fine, but whenever I power up my drone through battery 3 out of 4 motors beep continuously like one beep per second(motor no. 2, 3 and 4) and when I connect my transmitter they start beeping rapidly (maybe 2 to 3 beeps per second). When armed the motor no 1 works perfectly however the other three motors keep on beeping rapidly. I have calibrated the escs 2 times and they do work during the calibration(manual calibration). So I think it’s not an hardware issue. Still I would like to confirm it. Please help as soon as possible.
My setup:-
APM 2.5
30 Amp SimonK ESC
Fs i6x transmitter
Fs iA10B receiver
Thanx in advance
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