FBW a320 Custom ILS issues

[Watsi01]

I would recommend watching these channel a bit.

320 Sim Pilot

Here you learn many things on how to set up an A320 accordingly. Especially these two videos (for your issues):

Real Airbus Pilot A320 NEO ILS Tutorial in Microsoft Flight Simulator 2020

Your A320 ILS questions answered by a Real Airbus Pilot! Microsoft Flight Simulator