1)From Update Firmware Log.log file, it seems that you can reload the firmware via TFTP and the FAZ also can boot up. And you also can log in to the unit already.
It seems to be ok now.
2)So anything else that we can help you besides this issue?
Or kindly let us know if everything's ok and we can proceed to close this ticket.
If you have any requests ,please let us know.
We'll take action as soon as possible.