Leds; Power Led; Cpu/Io Module Status Led 1, 2 - NEC Express5800 320Fd-MR User Manual

LEDs

POWER LED

The POWER switch of the CPU/IO module has an in-built LED. If the AC power is supplied, the
LED of the primary POWER switch illuminates (only the primary POWER switch functions). Also,
the CPU/IO module has the POWER LED to show the status of the module power status.
POWER LED
LED indication
Not on
On

CPU/IO Module Status LED 1, 2

There are two kinds of LEDs that indicate the module status on the front and back sides of the
CPU/IO module. The display combination of the two LEDs indicates the CPU/IO module status.
Status Status LED2
LED1
Not on Not on
Blinking in
green
Green
Amber Not on
Description
Power supply is off.
Power supply is on.
Description
Power supply is off.
When the system is starting, the
initialization process is performed.
If the OS is running, duplex
configuration is not made for one
of the components in the CPU/IO
modules.
The device is duplexed and
running normally.
After the AC power is supplied, the
device running in the standby
power mode is being initialized.
When the system is starting, the
initialization process is performed.
When the OS is running, the
CPU/IO module has a problem.
General Description 2-15
Action
Check that the status LED 1
on both CPU/IO modules is
powered off, and then press
the POWER LED to power on
the system.
Action
Wait for a while; the LED
will illuminate in green.
Check that the cable is
firmly connected. If the LED
does not illuminate in green
after a while, record the
status LED status, and
contact a maintenance
service company.
Wait for a while. The status
LED 1 will be powered off,
and the POWER switch will
be enabled.
Wait for a while; the status
LED 1 is powered off.
Check that the cable is
firmly connected. If the LED
does not illuminate in green
after a while, record the
status LED status, and
contact a maintenance
service company.