Hardware LEDs
From NAS-Central Buffalo - The Linkstation Wiki
Contents
LED Description
Power LED (green)
on | Normal: Timed shutdown timer has not been activated |
Blink | At bootup, prior to ppc_uartd starting, Just prior to flash memory being updated |
Blink Slowly | Timeed shutdown has been established |
If ppc_uartd does not start for some reason (or started late due to hardware/software issues), the Power LED will continue blinking. After five minutes the DIAG LED will continuously blink 6 times (hard drive failure) and then shut the box down.
LINK/ACT LED
orange | 10BASE-T |
green | 100BASE-TX |
blue | 1000BASE-T (Kurobox HG only) |
DISK FULL LED (red)
on | Disk full |
blink | Writing to flash memory |
DIAG LED (red)
3 times blink | Partition warning: /dev/hda3 is not mounted on /mnt. You can ignore it. |
4 times blink | Problem with the cooling fan - probably rotor jammed. |
5 times blink | Problem with the flash memory* |
6 times blink | Hard drive not found. Or ppc_uartd is not running. |
7 times blink | Problem with the RAM/LAN/HDD controller. |
blink many times | Writing to flash memory. |
* It may be possible to recover from a flash memory error by pulling out power cord and trying again after one night.
Table copied from http://www.yamasita.jp/linkstation.en/led.html with minor rewording. nobuakiy helped with the translation.
Notes Users have reported problems when the drive already has a Linux partition on it - the diag light blinks 6 times. The solution appears to be to simply to reformat the drive.