When you found the reset of the panel key can not work to reset the ip address to 192.168.1.168.
Please use the path firmeware to correct it .
If you can login the 192.168.1.168 follow this:
1.Download the lib.bin patch firmeware.
lib.rar (1.4 MB)
2.go to the encoder webmanage system page upgrade it.
3.reboot and try the reset it .
If you can not login the 192.168.1.168 to upgrade it, follow this 2 topic:
3 ways to solve the encoder can not login web manager
How to use FBE200 ip Search tools to find out web manager login address?
Have a good day.