have a problem with my mamba max esc

[Arct1k]

Flashing Green OR Red = Speed control has not been calibrated and is not armed; or throttle sub-trim is not at 0.

[RUSTY XL-5]

Originally Posted by Arct1k

Flashing Green OR Red = Speed control has not been calibrated and is not armed; or throttle sub-trim is not at 0.

Like I said, I can't calibrate it. Also, the throttle sub trim is at 0. I'm asking here because I tried calling castle, and I was still on hold after 30 minutes.