Panasonic WJ-ND400 Operating Instructions Manual page 125

Troubleshooting
Problem
Cannot recover data after replacing
HDDs
(In RAID5/RAID6 mode)
HDD indicator lights orange and red
alternately even though recording or
playback is not done.
The power cord insulation is damaged.
The power cord, AC inlet or the power
plug are hot during use.
The power cord gets warm or hot if bent
or pulled during use.
[MAIN ERR INITIAL ERR] is displayed
on the LCD.
[EXTu ERR INITIAL ERR] is displayed
on the LCD.
u: Unit number
56
Check item/remedy
Make sure the HDD unit is firmly inserted into the disk slot.
The HDD you are trying to recover data from has errors.
Make sure that the capacity of the replaced HDD is not smaller than the
original HDD.
Even if the capacity is the same, the space may be smaller by a few percent
if the HDD models are different. All the HDDs must be the same model.
Also, use a replacement HDD that has equal or greater capacity than the
original.
Make sure that data is not recovered in RAID5/RAID6 mode.
The power cord, AC inlet or the power plug is damaged.
If you continue to use it, a fire or an electric shock may occur.
Unplug the power cord immediately, and refer servicing to qualified service
personnel.
Set the HDD operation mode.
After the extension unit is initialized, reconnect the extension unit.
Page
page 53
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page 45
page 52
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page 51
Installation
Guide for
expansion
units