Keypad stops working after a few days

No answer from customer support for a product under guarantee.

My keypad also stopped working

My keypad has also stopped, exactly the same problem leds go from left to right and then they all flash for a while. Keypad 1.9.2 smartlock v3 firmware 3.4.10

Hello guys,
I have exactly the same issue. Nuki keypad and also the lock upgraded to the last version.
Is there anything else, what might to try?