Tips – NEC EXPRESS 320Lb-R User Manual

Page 58

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2-24 General Description

CPU#1 CPU#2

Status

LED1

Status

LED2

Status

LED1

Status

LED2

Description Action

Off

Amber

Off

Off

AC power is not
supplied to the CPU
module 2.
The CPU module 1
operates in simplex
mode.

Check if the power cord is
connected correctly.
Check the condition of breaker
and UPS.
Check if the power unit is
connected correctly.
Remount the CPU module 2.
If the problem persists, contact
your sales agent.

Off

Off

Red

Green AC power is not

supplied to the CPU
module 1.
The CPU module 2 is
performing diagnosis
(Diag).

Red

Green

Off

Off

AC power is not
supplied to the CPU
module 2.
The CPU module 1 is
performing diagnosis
(Diag).

Wait for the OS to start. After the
OS starts, check the Status LEDs
and then take the appropriate
actions.
If the problem persists, contact
your sales agent.

Red

Off

Red

Off

On standby (AC power
is supplied through the
cord, but the system
has not been powered
on yet.)

Red

Green

Red

Off

The CPU module 1 is
performing diagnosis
(Diag).

Red

Off

Red

Green The CPU module 2 is

performing diagnosis
(Diag).

After turning on the power, wait for
the OS to start.
When the OS starts and duplex
mode is established, the
indications will return to normal. If
not, check the Status LEDs and
then take the appropriate actions.
If the problem persists, contact
your sales agent.

Red Amber Off Amber
Red Amber Off

Off

The CPU module 1
memory is being
dumped. (This occurs
only when
maintenance is being
performed.)

-

Off Amber Red Amber
Off Off Red

Amber

The CPU module 2
memory is being
dumped. (This occurs
only when
maintenance is being
performed.)

-

Tips:

When the Status LED 1 is off, the colors of the Status LED 2 indicate the following.

You must be careful especially when detaching modules.

- Green: Unmounting the module has no effect on the system operation.
- Amber: Unmounting the module cause a system down.

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