Xserve RAID not responding

All of the sudden my Xserve RAID is not responding. It does not seem to be turned on, though when I press the button with the speaker icon, a light appears. Nothing has been unplugged, or at least not that I can tell (I'm working on a complicated edit suite), it just won't start up nor interact with my computer. Please help!

Hi
+"It does not seem to be turned on"+
Have you tried pressing the on button on the back?
Do you see status lights for the drive modules themselves? Have any of the FC cables become loose/dislodged or removed? Can you communicate with it using RAID Admin? Is your mac the host?
Tony

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    I've seen an article about volumes not mounting and was wondering if this relates to your problem;
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