have you started from scratch with the di2 app ? whatever was setup in the software for the previous frame might not be adjustable with the micro-adjust
i see. not sure by how much things are offset compared to a regular link, but if indeed fairlight use a custom one for di2 derailleurs, it could be that the di2 cannot compensate.
have you started from scratch with the di2 app ? whatever was setup in the software for the previous frame might not be adjustable with the micro-adjust