Just to confirm guys a firmware change fixes the problem. I had the same condition as you guys in my erbe and summit. Switching back to v1.21 fixes the problem. By the way I am runninng a ko ex-1 ur.
Hmm...I think I'm having the same problems, tried all sorts to calibrate my MMM to my KO Propo Helios EX-10 that has a Spektrum module in it. Regardless of EPA values of 90-150 on throttle and brake and normal or reverse on the throttle channel, it's not having it!!
Should I roll back to v1.21, or is there a fix for this now?