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Appearance
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Front View
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Error indicator [ERROR]
Lights when an error occurs. Refer to TROU-
BLESHOOTING for details.
Red:
System error
Orange:
Thermal error or malfunction of the cooling fan.
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HDD power indicator [HDD POWER]
ON:
Indicates that HDDs are powered.
OFF:
Indicates that the HDDs are not powered.
Note:
Do not move the unit until the motors of the HDDs
stop completely. To stop the motors, turn off the
HDD POWER switch behind the front cover. Move
the unit after confirming that the indicator has gone
out.
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Operate indicator [OPERATE]
Lights green when turning on the power switch on the
rear panel.
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HDD access indicators [HDD 1] [HDD 2] [HDD 3]
[HDD 4]
Each indicator lights to indicate the status of the
respective HDD.
Green:
Indicates that the respective HDD is running
normally.
Red:
Indicates that the respective HDD is the first faulty
drive among the HDDs in the unit.
Red blink:
Indicates that the respective HDD is the
second or subsequent faulty drive among the HDDs
in the unit.
Orange-red alternate blink/Orange:
Indicates that the
respective drive is currently being recovered in
RAID level 5 mode.
These indicators normally indicate the status of the
respective drive, but they work as a set when a system
error occurs. Refer to Troubleshooting for further infor-
mation.
Important
When one of the indicators lights red, replace the
respective HDD immediately. If two or more indicators
light/blink red, it will be impossible to recover data.
There may be cases where it is eventually impossible to
recover data if two drives are coincidentally damaged
or the second drive fails during the data recovery
process.
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Front cover
Detach the front cover when it is necessary to install
HDDs or to operate the switches inside the unit.
ERROR
HDD 1
HDD 2
HDD 3
HDD 4
HDD
POWER
OPERATE
Extension Unit
WJ-HDE
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