Table of Contents
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Troubleshooting
In the case that the HDD 1 or HDD 2 indicator on the front panel blinks or illuminates, check the problem in the HDD
according to the chart below.
START
Both indicators of HDD
1 and HDD 2 illuminate
red.
Both indicators of HDD 1
and HDD 2 blink red.
Either indicator of HDD 1
or HDD 2 illuminates red
and the other one blinks
red.
Either indicator of HDD 1
or HDD 2 illuminates red.
Is the MODE rotary switch set correctly?
Is the cable connected correctly?
18
Diagnosis by HDD indicators
Both of the HDDs are not identified.
Yes
The S-ATA cable may not be connected
properly or a problem may occur in the
HDDs.
No
Yes
No
Is the MODE rotary switch set
correctly?
Yes
The HDD corresponding to the
illuminating indicator is not identified.
No
The S-ATA cable may not be connected
properly or a problem may occur in the
HDDs.
Yes
No
Is the operation mode
set to mirroring?
No
Is the operation mode
set to spanning or
mirroring?
Spanning
Is the operation mode
set to mirroring?
Yes
The HDDs of different capacities may
be used. Check the HDD capacity.
Mirroring
During synchronization, a problem
occured in the source HDD and that
HDD became unidentifiable.
The synchronization cannot be
continued.
Yes
Though the HDD corresponding to the
illuminating indicator is not identified,
operation can be continued. The S-ATA
cable may not be connected properly or
a problem may occur in the HDDs.
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Table of Contents
Troubleshooting
