Red ERROR LED
The way the unit gives diagnostic codes is by long and short flashes of the specific light. The number of long flashes give the first of two numbers and the number of short flashes give the second. For instance, one long flash and three short flashes would indicate an error of 13 -
E 00
(No light, beep only) - MPU error
E 01
DRAM data line error
E 02
DRAM address line error
E 03
RTC chip error
E 04
Flash rom error
E 10
UPS power loss
E 11
fan error (RPM too low or not functional)
E 12
cooling error (unable to remove heat by the fan)
E 15
disk error
E 16
unable to locate internal HDD
E 17
Unable to communicate with the RTC chip
E 21
unable to communicate with the Phy chip
E 22
mount error.
The original Buffalo firmware has the following error messages based on the number of flashes:
3
Partition problem with hard drive. Reformat the hard drive.
4
Fan problem.
5
ROM problem.
6
Hard Drive can not be recognized.
7
Problem with motherboard (RAM, LAN, or Hard Drive controller).
Exerted from http://buffalo.nas-central.org/wiki/Information/LSProLED
I hope this has been helpful, unfortunately without more information I cannot help any further.
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