Interpreting LEDs
■
“Performing Advanced Troubleshooting” on page 32
■
“Clear a Fault Manually” on page 37
Front Panel Controls and LEDs
No. LED or Control Description
1 Locate indicator and button (white) You can turn on the Locate indicator to identify a particular server. When lit, the LED
displays as a fast blink. The blinking will time out after 15 minutes. Turn on the Locate
indicator by pressing the Locate button, or see “Locate the Server” on page 43.
2 System Fault (Service Action
Required) LED (amber)
The fmadm faulty command provides details about any faults that cause this indicator
to light. See “Identify Faulted Components” on page 23.
Under some fault conditions, individual component fault LEDs are lit in addition to the
Service Required LED.
3 System OK indicator (green) Indicates these conditions:
■ Off – Server is not running in its normal state. Server power might be off. The SP
might be running.
■ Steady on – Server is powered on and is running in its normal operating state. No
service actions are required.
■ Slow blink – A normal but transitory activity is taking place. Slow blinking might
indicate that server diagnostics are running or that the server is booting.
■ Standby blink – Server is running in standby mode and can be quickly returned to
full function.
28 SPARC T8-1 Server Service Manual • January 2022
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