Chapter 11 Appendix
Power LED Operations
This section explains the details of power LED patterns when an event occurs. If there is a corresponding corrective
action described for the code, try it first. If the LED still glowing due to an issue outlined below, contact Buffalo
technical support for assistance.
Red (Errors)
If a critical error occurs, the power LED will glow red. You can also confirm the current status from the Dashboard in
Settings or by using NAS Navigator2. If NAS Navigator2 displays the error as an unknown error, check the Dashboard
in Settings for the error details.
Code Description Corrective Action
Emergency Mode
The firmware is corrupted or a drive
cannot be detected.
Check that the drive has been inserted
properly. After that, refer to the “Manually
Recovering the Firmware” section in
chapter 10 to recover the firmware.
E10
The LinkStation is running on the UPS
battery due to a power outage.
Shut down the LinkStation safely and wait
until the power outage ends. If certain
settings are configured, the LinkStation
may shut down automatically when the
error is detected.
If the setting to use the UPS connected to
this LinkStation has been configured, the
UPS cable may be disconnected.
Verify that the UPS cable or Ethernet cable
is connected properly.
E11
An error occurred in the fan speed.
Check that no foreign objects or dust are
clogging the fan. If any foreign objects or
dust are found, use a pair of tweezers, an
air duster, or other tools to remove them.
E12
A rise in the system temperature may have
exceeded the allowable safety value.
Move the LinkStation to a cool location. Do
not place objects in the area around the
LinkStation.
E14
The RAID array cannot be mounted.
Run a drive check on the RAID array by
referring to the “Checking Drives” section
in chapter 3.
E16
Unable to find the drive.
Make sure the drive has been inserted
properly.
E22
Unable to mount the drive.
Format the drive by referring to the
“Formatting Drives” section in chapter 3.
After formatting, if the error still appears
after rebooting, replace the drive.
E30
An error occurred, so the drive was
removed from the RAID array.
Replace the drive by referring to the
“Replacing a Defective Drive” section in
chapter 10.
E41
The NVRAM inside the LinkStation failed.
Contact Buffalo technical support for
assistance.
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