NEC Express5800 Series Maintenance Manual page 48

Chapter 1 Maintenance
(6) TEMP (Abnormal temperature LED)
The LED lights in amber when temperature in CPU/IO module becomes abnormal. Contact your service
representative.
(7) VLT (Power error LED)
The LED lights in amber when electric voltage failure occurs in CPU/IO module. Contact your service
representative.
(8) PSU(Power supply unit error LED)
The LED lights in amber when failure occurs on the power supply unit of CPU/IO module. Contact your
service representative.
(9) FAN (Fan error LED)
The LED lights in amber when failure occurs on the cooling fan for CPU and power supply unit of CPU/IO
module. Contact your service representative.
(10) I/O (I/O FAULT LED)
The LED lights in amber when failure occurs on the I/O (PCI) part of CPU/IO module. Contact your service
representative.
(11) PRIMARY (Primary LED)
The LED lights in green when CPU/IO module is primary.
(12) Power Unit LED
Power Unit LED is located at power supply unit at the rear of the server.
LED indication
Blinking (green)
On (green)
On (amber)
Blinking (amber)
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Description
The power cord is connected to AC inlet and the
power unit receives the AC power.
The server is powered on.
The power supply unit fails.
Express5800/R320c-E4, R320c-M4 Maintenance Guide (VMware)
6. Error Messages
Action
–
–
Contact your service representative.