@DREW8110 wrote:
I built a 600mm quadcopter with a Pixhawk flight controller. When trying to calibrate the ZTW Spider 30 amp Opto esc's, I get a solid yellow LED from the pixhawk. I put transmitter throttle to full and plug 4s lipo in, and get the correct led light pattern for esc calibration. I then unplugg the battery and then plug it back in. Once the Pixhawk starts back up, I get a solid yellow light from the led. I have tried many times, and rewired several times, but get the same result each time. I have built 7 quadcopters with complete success, so I do have some knowledge of what I'm doing. Can someone please tell me what the yellow led means, and what I should look for to fix this problem. Any suggestions or information would greatly be appreciated. Thank you for your time, James.
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