NEC Bull NovaScale R620 User Manual page 49

Heat Warning LED
This LED lights amber when the temperature in the CPU/IO module is not within an appropriate range.
HCS 1 Error LED
This LED lights amber when the water cooling kit 1 in the CPU/IO module has a problem.
HCS 2 Error LED
This LED lights amber when the water cooling kit 2 in the CPU/IO module has a problem.
Access LED on the CD-ROM Drive
This LED is on when the installed CD-ROM is being accessed.
Hard Disk Drive LED
Each indication of the DISK LED on a hard disk drive bay has a different meaning.
Blinks green: the hard disk drive is being accessed.
Lights amber: the hard disk drive has failed.
Lights green and amber in turn: the hard disk drive reconfiguration (rebuild) is ongoing. This does not indicate the hard
disk drive has a problem.
When the rebuilding is completed the LED goes off. If the rebuilding fails, the LED lights amber.
Blinks amber: the hard disk drive has a mirror volume for which redundancy is not achieved (i.e. mirrored configuration
is in the degenerated mode).
LAN Connector LED
• LINK/ACT LED
The LINK/ACT LED shows the status of a standard network port. It is green if power is supplied to the main unit
and hub, and they are connected correctly ("LINK"). It blinks green while the network port sends or receives data
(ACT).
When the LED does not illuminate during "LINK," check the condition and connection of network cables. If there
is nothing wrong with the cables, a defect is suspected in the network (LAN) controller. In this case, contact your
sales agent.
• Speed LED
This LED indicates the network interface of the communication mode used by a network port.
1000BASE-T and 100BASE-TX are the supported LAN port types. When this LED lights amber, the port is
operating on 1000BASE-T. When the LED lights green, the port is operating on 100BASE-TX.
Power Supply Unit LED
Power supply units located at the rear have power supply unit LEDs. When power is supplied to a power supply unit by
connecting a power cord to the AC inlet of the power supply unit, its LED blinks green. When the server is powered on,
the LED lights green. If the LED does not illuminate in green or lights /blinks amber, the power supply unit may be
failing. Contact your service agent and ask for replacement of the power supply unit.
Cooling Fan LED
Cooling fan units located at the rear have cooling fan LEDs. While a cooling fan unit is working normally, its LED
NovaScale R620 User Guide
2-21