Why KNX fan does not work

I have configurations for knx in a separate folder and depending on the file name the hardware type is determined.
I have
knx: !include_dir_named knx/
in configuration.yaml

and folder knx with yaml files
image

Everything works except what is in fan.yaml, in HA the fans are displayed with correct icons but nothing happens when turning on, if you move the config from fan.yaml for example to light.yaml everything works, but the fans have wrong icons.

if I add

knx:
  fan:
    - name: "Ceiling fan"
      address: "9/0/1"
      state_address: "9/0/2"

with my data in configuration.yaml fan still dont work
it some problem with fan for home assistant?

for example

knx:
  light:
    - name: "Ceiling fan"
      address: "9/0/1"
      state_address: "9/0/2"

works fine!

have I found a bug or does anyone have an explanation for this?