Not all ESC's will beep!

Help, have a hexa running the latest code, only 1 of the 6 esc's will beep when I plug in the lipo, Ive gone thru manual and auto calibration, reload firmware in which the other esc's do work, however they will all not work(beep) once I plug them all back into the APM

A strange thing happens that they will all arm(beep) if I plug in via USB and connect, yet when I disconnect and unplug lipo it like it 'forgets' and only 1 esc beeps

 

Any ideas?

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  • Confirmed I went back to a older revision(.40) and my ESC's arm properly, using the latest firmware does not arm my ESC's

    Help!

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