Motor not spinning

I have a strange problem on my APM2 quadcopter. It is running lated code 2.4.1 It was working fine the first day, took it out in and flew with no problems. But today, I cannot get it to spin the motors.

I hear the normal ESC beeps, when I arm the motors with the throttle stick all the way down and right I see the LEDs blinking as it did before. The Red LED would then stay solid incdicating motors are armed. But there is no response by the motors when I increase the throttle.

So I connected the board to MP and can see MP indicates correct motor arming on screen. It can also see all the stick signals when I do calibration. I have also tried re-uploading the firmware 2.4.1 again. Nothing seems out of ordinary, except the motors won't spin. What could be the cause?

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Permalink Reply by Robert Rhoden on March 7, 2012 at 10:46pm

Similar issue this evening, I did the transmitter calibration again and everything started working again. 

Permalink Reply by solaris1201 on March 8, 2012 at 1:05am

thanks. I have also done the transmitter calibration, but it didn't fix for me.

Permalink Reply by RickP on March 8, 2012 at 3:35am

what does the motors test do?

Permalink Reply by solaris1201 on March 8, 2012 at 8:06am

I don't know how to do the motor test. I couldn't find the command in the CLI in the 'test' menu.

Permalink Reply by RickP on March 8, 2012 at 8:13am

'setup' then 'motors'. If you're at 2.4.1 it should spin them in order. Be very careful...

Permalink Reply by solaris1201 on March 8, 2012 at 11:05am

thanks.i have done that and there is no motor spin. but after that I reset the board to factory defaults, then re-installed the firmware. Now it is working, i am not sure if that's what fixed it.

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