ISSUE: LED Flash Code Explanation and solutions: LinkStation / Gigabit LinkStation
CAUSE: If the LinkStation encounters an error, it will be reported in the LinkStation status on the top of any of the Web-Based configuration screens.
PLATFORM(S): LinkStation NAS
Blinks red - Flash memory write in progress.
Blinks red 3 times - /dev/hda3 not mounted to /mnt error (non-critical).
Blinks red 4 times - Cooling fan error (critical, system shutdown).
Blinks red 5 times - Flash memory error (critical, system powers off).
Blinks red 6 times - Hard drive or ppc_uartd(mc_ctld in 2.XX linkstation)error (critical, sys.shutdown).
Blinks red 7 times - RAM, NIC, or HDD controller error (critical, system shutdown).