have you actually bound yours to a FASST receiver, or is it just not compatible?
I don’t have any FASST RX’s to bind with. The manufacturer said it can be done. I’ve have bound Spectrum & Flysky. I had trouble with mine because it was not in the correct mode. It was my fault, once I had everything correct, they easily bound up.
I also had trouble with the pins not lining up, the pins were going into the case but not into the header. None of the lights came on, the modular was not getting power. With the module in the Tx, I took the back plate off & could see the pins were not in the socket. When I got the pins in the socket, the module powered up & the lights tuned on.
If you can not bind with any Rx, then you're likely doing something incorrectly. Are you are
only having trouble binding with FASST Rx?