WLAN for SHELLY and other IOT + LAN for Internet

Platform information:
Ip = 192.168.178.21
Release = Raspbian GNU/Linux 11 (bullseye)
Kernel = Linux 5.15.32-v7+
Platform = Raspberry Pi 3 Model B Rev 1.2
Uptime = 0 day(s). 20:58:49
CPU Usage = 0.25% avg over 4 cpu(s) (4 core(s) x 1 socket(s))
CPU Load = 1m: 0.16, 5m: 0.07, 15m: 0.02
Memory = Free: 0.12GB (13%), Used: 0.82GB (87%), Total: 0.95GB
Swap = Free: 2.25GB (98%), Used: 0.03GB (2%), Total: 2.29GB
Root = Free: 50.75GB (90%), Used: 5.10GB (10%), Total: 58.26GB
Updates = 0 apt updates available.
openHAB 3.3.0 - Release Build
openjdk 11.0.16 2022-07-19
OpenJDK Runtime Environment (build 11.0.16+8-post-Raspbian-1deb11u1)
OpenJDK Server VM (build 11.0.16+8-post-Raspbian-1deb11u1, mixed mode)

I try to use the LAN for Internet and want to use the WLAN for IOT devices like the shellys. As network coordiator i usa a old Fritz7141 as AP

I want to connect the Openhabian PI via WLAN to the IOT network but i cant.

openhabian@openhabian:~ $ sudo cat /etc/wpa_supplicant/wpa_supplicant.conf
# WiFi configuration generated by openHABian
country=DE
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
# Network configuration was created by wpa_passphrase to ensure correct handling of special characters
network={
        ssid="HaAuSy"
        #psk="[GELÖSCHT]"
        psk=[GELÖSCHT]
        key_mgmt=WPA-PSK
}
openhabian@openhabian:~ $ iwgetid
openhabian@openhabian:~ $

after reboot

openhabian@openhabian:~ $ iwgetid
openhabian@openhabian:~ $
openhabian@openhabian:~ $ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11  ESSID:"HaAuSy"
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:04:0E:DB:02:EA
          Bit Rate=5.5 Mb/s   Tx-Power=31 dBm
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=70/70  Signal level=-33 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1  Invalid misc:0   Missed beacon:0

openhabian@openhabian:~ $

openhabian@openhabian:~ $ ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.178.21  netmask 255.255.255.0  broadcast 192.168.178.255
        inet6 fe80::ff1f:6619:6022:2819  prefixlen 64  scopeid 0x20<link>
        inet6 2002:95ac:fdc:0:8ea4:7302:87a9:d4a3  prefixlen 64  scopeid 0x0<global>
        ether b8:27:eb:12:3b:00  txqueuelen 1000  (Ethernet)
        RX packets 1310301  bytes 1944967515 (1.8 GiB)
        RX errors 0  dropped 4  overruns 0  frame 0
        TX packets 641895  bytes 51667246 (49.2 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Local Loopback)
        RX packets 59  bytes 6513 (6.3 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 59  bytes 6513 (6.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::4e7d:7c21:6d41:93bf  prefixlen 64  scopeid 0x20<link>
        ether b8:27:eb:47:6e:55  txqueuelen 1000  (Ethernet)
        RX packets 201  bytes 63636 (62.1 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 63  bytes 21721 (21.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

openhabian@openhabian:~ $

Settings of the IOT Fritzbox

IP-Adresse: 192.168.176.1
Subnetzmaske: 255.255.255.0
DHCP-Server: aktiviert
von: 192.168.176.20
bis: 192.168.176.200

Is it possible that the LAN deaktvates the WLAN?