"I had exactly this problem.

In the CLI I selected "Reset to Factory Defaults" to wipe the EEPROM and ran through all the relevant CLI config options again and then after rebooting back into flight mode it started working properly for me."

"I'm sorry that I don't have an answer for you, but so you know you're not alone I do have a similar problem: rx/tx are bound and most stuff seems to be working as I can run each motor separately using the four tx sticks in the motor test mode in…"