Based on your description, it seems that your Switch (ICX7150 Switch) is stuck in boot mode, to fix it you need to get console access and perform a software recovery to fix it, let me add the guide.
Note: Please read the guides carefully before start the troubleshooting.
How to perform a Software recovery on an ICX7150 switch
Password Recovery on a Ruckus ICX(Tutorial video)
Technical Support Engineer | L2 TAC Wired