Interpreting Status LED Patterns
If there is no terminal on the system, examine the front panel LEDs (Figure 3-8) for the status of the system (Table 3-4).
Figure 3-8 System Status LEDs (Standalone Server)
Table 3-4 Front Panel LED Status Indicators|
LED Position |
Condition |
|---|---|
|
Left LED (green) |
On -- DC power supply is receiving AC current. Off -- There is no DC power. |
|
Middle LED (yellow) |
On Flashing -- (first 60 seconds) self-tests are running. Off -- (after self-tests end) No hardware failures. On -- (after self-tests end) Hardware failure was detected. |
|
Right LED (green) |
Off -- (first 60 seconds) self-tests are running. On Flashing -- (after self-tests end) System is running. Off -- (after self-tests end) System cannot run; repair is needed. |
When the self-test completes, both top and bottom LEDs should be on. If the system runs but needs service, all three LEDs will be on. If the system cannot boot, the top and middle LEDs will be on. In a complete failure, none of the LEDs will light.
- © 2010, Oracle Corporation and/or its affiliates