Peculiar Alert Message from my MBLD

I have set my MBLDs to send me event emails whenever it generates an alert.  Has anyone seen the following message before?  It was emailed to my by the machine…

Following events are generated on your MyBookLiveDuo LiveDuoBackup2.

Event title:???

Event description:???


Event code:

Event time:02-25-2013 02:57:19 PM

Firmware version:           02.40.06-048



It’s most likely a temperature warning.