can't find omv

Hello, I try to add bond on my NAS but previously I add eth0 with static ip address.
I deleted eth0 I saved and had an error and now I can reach my NAS on previous IP.
I restarted it but nothing changed, how could I find right ip. I've tried mycloud.local and also nothing.
Can some help me or I must reinstall.

Thanks

The problem is that I can't connect by console with root also. My putty configured for previous IP address can't connect.