Hope you are doing well !
Maybe you disable the WLAN service.
We have 2 options here :
1-access to the management login using the IP address ( logical address given by your ISP )
How to find my Ruckus “Devices IP address” using free applications
In this example below I am using copy and paste the IP address on the URL '192.168.0.23'
Here is the correct step to disable or enable 2.4/5G
Creating a New Wireless WLAN (SSID)
2-Factory reset process is normal to see that it says no internet connection since is not configured
Please red carefully each step :
Physical Factory Reset an Access Points Ruckus