HP Compaq KB-9965 311059-091 User Manual

The set of five LEDs on the front of the server indicate system health. Figure 4-4 and Table 
4-4 identify and describe the location and function of each of the LEDs. 

 

 

 

1 

UID button and LED 

Blue = Activated 

Blue flashing = System is being managed 
remotely  

Off = Deactivated 

2 

Internal health LED* 

Green = Normal (system on) 
Amber = System health degraded 
Red = System has critical failure 

Off = System is off 

3 

External health (power supply) LED 

Green = Normal (system on) 
Amber = Redundant power supply failure 

Red = Critical power supply failure 
Off = System is off 

4 

Embedded NIC activity LED  

Green = Network link 

Blinking = Network link with activity 
Off = No network connection 

5 

Power On/Standby button and LED 

Amber = System is off (auxiliary power present) 
Green = System is on 

Off = Server has no A/C power 

*The internal health LED identifies service events for internal components in a prefailure or failed 
condition. For a list of these events, refer to the HP ProLiant ML570 Generation 2 Server Setup and 

Installation Guide.