|Did you try searching the error code on Linksys' site?|
Try recycling the power. If that doesn't work, try resetting the unit to factory defaults as per the manual/setup guide. If neither works, your unit is toast and you'll need to buy a new one.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.