When this occurs out of nowhere. Most of the time it's always that crappy stocker servo shorting out . Knowing by disconnecting the servo, then trying the ESC again.
And this can usually even take out the ESC as well.
Because the ESC's
BEC circuit fry's out in the process, if not caught quickly.
HH never cared to address this rather old by now, defect. Keep selling them like this.
HH are you listening?
I never had any other servo brand/model do this, and short out an ESC.