MBL works fine, Green Light blinking forever

Hi guys, hope it’s ok to tag along on this thread, since symptoms seem to be similar.

I have 4 2TB MBL’s.  All configured the same - no services running (no Twonky, no iTunes), no remote access.  I just use them for backup

Only one of them is peculiar.  Couple days ago it disappeared from the network, and I couldn’t access it until  I rebooted - neither by dashboard or by mapping the drive.  If I remember correctly, the green light was flashing.  It did this once before a few months ago.

After I rebooted, it seems ok, but the green light is flashing, about 1-2 per second. 

My other 3 MBL’s are ok, and they are all loaded about the same, so what’s going on with this one?

Any ideas?

Thanks.