Cerbo-GX connecting and disconnecting WiFi constantly within 5s

Cerbo-GX is connected via LAN and fixed IP.
FW v3.52
Everything works well.

But on my WiFi-Router I can see in the LOG-file that Cerbo-GX connect/disconnect to WiFi in a 5 second period. At least he tried to. This happens 24/7. (see extract LOG-File)

20:38:45 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:37:39 [] WLAN-Gerät über Gastzugang angemeldet (2,4 GHz), 72 Mbit/s, ---, IP ---, MAC 70:B8:F6:CA:B5:B4.

20:37:35 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:36:29 [] WLAN-Gerät hat sich am Gastzugang neu angemeldet (2,4 GHz), 72 Mbit/s, PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.

20:36:25 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:35:20 [] WLAN-Gerät über Gastzugang angemeldet (2,4 GHz), 72 Mbit/s, ---, IP ---, MAC 70:B8:F6:CA:B5:B4.

20:35:15 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), ---, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:34:09 [] WLAN-Gerät über Gastzugang angemeldet (2,4 GHz), 72 Mbit/s, ---, IP ---, MAC 70:B8:F6:CA:B5:B4.

20:34:05 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:32:59 [] WLAN-Gerät über Gastzugang angemeldet (2,4 GHz), 72 Mbit/s, ---, IP ---, MAC 70:B8:F6:CA:B5:B4.

20:32:55 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:31:50 [] WLAN-Gerät über Gastzugang angemeldet (2,4 GHz), 72 Mbit/s, ---, IP ---, MAC 70:B8:F6:CA:B5:B4.

20:31:45 [] WLAN-Gerät hat sich vom Gastzugang abgemeldet (2,4 GHz), PC-70-B8-F6-CA-B5-B4, IP ---, MAC 70:B8:F6:CA:B5:B4.
20:30:39 [] WLAN-Gerät über Gastzugang angemeldet (2,4 GHz), 72 Mbit/s, ---, IP ---, MAC 70:B8:F6:CA:B5:B4.oder füge den Code hier ein

In WiFi-Settings on my Cerbo it shows disconnected for available WiFi.
I tested connection to each WiFi during setup and deleted it later.
AccessPoint is turned off. Password is not set in network details.


Is there anything I did wrong or can do to avoid this behavior?
Somebody seeing same behavior?

I want to avoid “spamming” my WiFi all the time.

Wifi devices will scan for networks, that is normal. Anything with a wireless adapter in it will.

Scanning for networks is something different than logging on and logging off from an AP. From my perspective, scanning is a passive listening process where only available networks are recognized but not activley communicated whith a AP.

It does also not look like a “Probe Request” broadcasted by the Cerbo to get a “Probe Response” back from all available AP in reach.
This would not be logged as a login/logoff by the AP.

Why is the Cerbo only doing this at SSID “…gast” and not on the other SSID?

Other question: How can I turn the WiFi totaly off?