Is it possible to brick a set of esc's in a hard crash? If so, is it possible to get them working again? I've got one out of 3 working, but that one I replaced because the motor didn't spin freely. Thought the others were fine, but no tones from them. When I arm the only motor that spins is the one with the replaced esc.
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Check in BLheli read setup see if it shows up