Buffalo Linkstation Model LS-WXL2.0 in Emergency mode after power glitch

[mwalker]

I have a Buffalo Linkstation Model LS-WXL2.0 with weekly backup to direct connected USB drive which I have been using for a number of years without issue.  Activity report ran a few days ago showed no issues:

[HDD Usage Status]
RAID Array 1 Usage Rate : 255025076 kbytes / 961618816 kbytes (Usage Rate 27%)
USB Disk 1 Usage Rate : 101840880 kbytes / 242272952 kbytes (Usage Rate 42%)
[DISK error status]
DISK1        0
DISK2        0

Yesterday there was a power interruption while device was on but no data being transferred.  Now NAS Navigator2 locates device with "i" inside blue circle, named "LS-WXL-EM376" and signals "Emergency mode. Update the firmware or contact technical support".  I can ping the device at IP address given by NAS Navigator2 but cannot open LinkStation's configuration utility.

What is my best option for accessing data? I believe the USB backup drive should contain all data but I do not know how to confirm this or access the data.  I am not comfortable trying to update firmware on the LinkStation at this point. 

[davo]

Why not just reinstall the firmware?

[mwalker]

Because if i can't access my files on the USB backup drive, then i believe the next option would be to try to have a data recovery service try to recover data from the linkstation.  But I understand the firmware upgrade is destructive and so would eliminate this possibility. 
Where can I find a procedure to recover data from the USB backup drive?

[davo]

The firmware upgrade is not destructive, down it to your PC, unzip it and run the .exe with your security software disabled.

[mwalker]

Thank you for that information.  The firmware upgrade was successful and operation is now restored and all data can be accessed.