"I got tired of messing with it. I dont use cppm now. pwm and zero issues and all is good in the hood. "

"any luck with this. Same problem . T9x stock fw that I don't want to upgrade because I am having this problem because of upgrading the rx. frsky module + d8r xp  upgraded to the 27ms fw for cppm. I used to have ch 5 not plugged , ch 6 plugged into…"