security alert, copter 4.0.4 with black and kore cube carrier board esc alpha 40 tmotor, safety button disabled, and some engines started to turn, I was configuring an emlid as a gps, so I put the rdf900 radios in raw mode, after realizing this error I tested it several times with the radios in raw mode and every time when I was going to connect how the mp the motors turned, after that I switched to the radios mavlink protocol, and the problem didn’t happen anymore, if I were to make an assumption I would say which is something related to telemetry.
What’s your MOT_PWM_MAX & MIN?
1100min and 1940 max, range of esc
Could you make a log while disarmed (LOG_DISARMED 1) and reproduce ?
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I have not seen or heard of this before. As @Eosbandi says, providing a log would be best. That should help us determine if the motors are being asked to turn by AP or not. Just a guess but I suspect it is radiated interference from the (powerful) RFD900 that is being picked up by the ESCs.
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ok, i will make the log as soon as possible. and send it to you