Nuki 3.0 Pro repeating Log on/ Log off at Fritzbox

After surviving the very annoying “position detection” issue, I have identified a different problem with the internet wifi module that starts to p***s me off.

My 3.0 Pro permanently log on and log off at my AVM Fritz box 7590, which drowns the battery quite fast. Within two weeks battery back is down to 52%.

Distance between router and smart lock is less than 5 meters.
And once again, I can’t image that the internal wifi module has such a weak antenna signal.

Sadly my 30 days return guarantee have exceeded yesterday…

I was absolutely satisfied with my 2.0 and am so disappointed by the 3.0 Pro!

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Such a behavior can have several reasons. If the Smart Lock can not hold the connection to the Nuki Servers it completely shuts down the WiFi connection and restarts it after some time. So, it could be a broken internet connection or problems with your router.

Nuki put together things you could try:über-das-WLAN-Modul-verbessern
Also fritz has suggestions: WLAN-Gerät stellt keine Verbindung zur FRITZ!Box her | FRITZ!Box 7590 | AVM Deutschland

Jürgen, thanks for trying to help me.

Even with WPA2 enabled (WPA3 disabled) and going down to 802.11b the lock ist not able to hold the connection (as the only device in my network). Even with established link to my router, the lock is not able to connect to your Nuki servers.
I tried all your “good practice” but nothing works for me.

When i was facing the position detection problem, i placed an old Fritz!WLAN 310 close to my Nuki 3.0 and the frequency of position detection was reduced.
I assume, that either the WiFi module shuts down to early or the internal WiFi module is showing some malefunctions.

Bridge and Nuki 2.0 showed absolutely no connection losses…

Looks like a problem with the internet connection and not the router itself. I’d try it with a different uplink (e.g. a hotspot from your mobile phone) and check if that fixes the problem.

I had the same problem, but no response from Nuki support. Lock 3.0 Pro and Fritzbox router. Hundreds of wifi reconnections, web lags (lock was unlocked and I was notified after 45min). I have even tried different router and it was the same. Useless…

As I check now, my topic about this disappeared??? URL was:

I resolved the problem with Nuki Bridge and turn off builtin wifi. Now it seems everything ok…

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