Have a look here, it could be your solution:
When using a shifter with a POV/Hat Switch (showing POV+arrow instead of a button number) you need to invert order.
i.e.
not shifter (x) + POV (arrow down)
but POV (arrow down) + shifter (x)
Have a look here, it could be your solution:
When using a shifter with a POV/Hat Switch (showing POV+arrow instead of a button number) you need to invert order.
i.e.
not shifter (x) + POV (arrow down)
but POV (arrow down) + shifter (x)