55
Attachments
Troubleshootin
g
Before re
q
uesting service, check the follo
w
ing items. Contact your dealer if the pro
b
lem does not appear here, if the pro
b
lem is not resolved
b
y
these remedies, or if you have any
q
uestions a
b
out settings and installation.
Problems
Problem
Check item/remedy
Pa
g
e
Po
w
er is not turn on.
Make sure that the po
w
er plug is firmly connected to the electric outlet.
-
Make sure supplied po
w
er cord is firmly connected to the e
q
uipment.
page 39
Alarms are not activated.
Check if signals are input to the alarm/control connectors and alarm
connectors on the rear panel.
page 32
page 36
Check if the alarm connectors are correctly set.
page 3
8
The [ERROR] indicator lights orange.
Temperature is too high, stop operation
as soon as possi
b
le.
Fan has malfunctioned and stopped.
Contact your dealer.
-
Make sure that nothing is
b
locking the vents in front or the fan on the rear.
page 9
Internal temperature is too lo
w
or too high.
Install the product
w
ithin the am
b
ient operating temperature.
page 9
W
hen the [ERROR] indicator lights orange, the internal temperature may
b
e
high.
Make sure that dust has not collected on the vents.
-
Extension unit is not recognized.
(
W
hen an extension unit is connected)
Make sure that the ca
b
le provided
w
ith the extension unit is
b
eing used.
page 31
Make sure that the connection ca
b
le is not loose.
page 31
W
as the extension unit turned on
b
efore the main unit?
Re
b
oot the system and turn on the extension unit first.
page 39
If you are using a
b
reaker or other system to turn on the po
w
er to the entire
system simultaneously, make sure that all the devices are connected to the
same po
w
er source.
-
If you are using UPS (uninterrupted po
w
er supply), connect all the devices
to the same UPS.
-
HDD is not recognized.
The HDD status indicator does not
light.
Make sure the HDD unit is firmly inserted into the disk slot.
page 46
Have you insert another HDD unit
w
hile the first unit
w
as
b
eing recognized?
Remove the unrecognized HDD unit and try again.
page 46
HDD has errors.
-
HDD status indicator lights,
b
ut HDD is
not recognized.
Link the HDD again.
page 46
HDD indicator lights or
b
links red
Make sure that the HDD units are installed in order from HDD 1 to 9.
Surely install the HDD units in order starting
w
ith HDD 1.
page 46
HDD has trou
b
les in RAID5/RAID6 mode.
The indicator of the first HDD
w
ith error lights, and the indicators of other
HDDs
w
ith errors
b
link.
page 53
ND400_Basic.book 55 ページ ２００８年４月８日 火曜日 午後３時５９分
