Chapter 3
Troubleshooting
Troubleshooting Using LEDs
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For system alerts of levels 3–5, you can clear the attention condition on the LED by accessing the logs using
the sl command available in the MP command mode.
You can clear the fault condition for system alerts of level 7 by resolving the problem and cycling power. See
the SL error logs for additional error information.
NOTE Always check the MP status logs in the case of a blinking yellow or red System LED before
replacing any hardware.
LAN LEDs
The front panel LAN LED indicates the system is communicating over the Gigabit or system management
LAN:
• Blinking green; the system is communicating over the LAN
• Solid green; LAN link is established; no current LAN activity
• Not green; no LAN cable attached; LAN network dead or the system is off
10/100/1000 LAN LEDs are on the rear panel:
The following table lists the 10/100/1000 Base-T ethernet LAN connector LEDs.
Four iLO manageability card LAN LEDs are also on the rear panel:
Table 3-3 10/100/1000 Base-T Ethernet LAN Connector LEDs
LED Description
1000BT Blinking green, the 1000 MHz with ethernet protocol and twisted-pair wiring is
enabled; off; no link
100BT Blinking green, the 100 MHz with ethernet protocol and twisted-pair wiring is
enabled; off; no link
10BT Blinking green, the 10 MHz with ethernet protocol and twisted-pair wiring is
enabled; off; no link
Activity Blinking green, LAN activity
Table 3-4 iLO Manageability Card LAN LEDs
LAN LED Location Color State
Self-test Top Yellow MP running self-test or error
Off MP has booted
10BT 2nd from top Green 10BT link established
Blinking green 10BT activity
Off No link or 100BT link
100BT 2nd from bottom Green 100BT link established
Blinking green 100BT activity
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