This article is reproduced from nas-central.org, originally authored by Frontalot at linkstationwiki.org.
Power LED
| solid green
|
System on (normal).
|
| blinks green
|
System booting (until Mc ctld starts) or flash memory write in progress.
|
| slowly blinks green
|
Sleep timer enabled.
|
Link/Activity LED
| solid orange
|
10Mbps connection.
|
| solid green
|
100Mbps connection.
|
Disk Full LED
| solid red
|
Hard drive full.
|
| blinks red
|
Flash memory write in progress.
|
Diagnostic LED
| 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 Mc ctld error (critical, system shutdown).
|
| blinks red 7 times
|
RAM, NIC, or HDD controller error (critical, system shutdown).
|
Power, disk full, and diag flashing at the same time means you are in EM mode (or emergency mode).
