Power Led - NEC Express5800 Series 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.
CPU/IO Module POWER LED
LED indication
Not on
On
CPU/IO Module Status LED 1, 2
There are two LEDs that indicate the status of the modules on the front and back of the CPU/IO
module. The combination of the two LEDs indicates the CPU/IO module status.
Status Status LED2
LED1
Not on Not on
Blinking green
Green
Amber Not on
Description
Power supply is off.
Power supply is on.
Description
Power supply is off.
When the system is starting
indicating that the initialization
process.
If the OS is running and it's not
duplex, one of the components in
the CPU/IO modules is not
configured properly.
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 2-17
Action
Check that the status LED 1
on both CPU/IO modules is
powered off, and then press
the green POWER switch to
power on the system.
Action
Wait until the LED turns
solid green.
Check that all of the cables
are seated. If the LED does
not turn green after a while,
record the status of the
LEDs status, and see
Chapter 7, Troubleshooting
.
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 all of the cables
are seated. If the LED does
not turn green after a while,
record the status of the
LEDs status, and see
Chapter 7, Troubleshooting
.