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Powering Off and On 12-11
12
Figure 12-9 Front Panel Status LEDs (Standalone Server)
Table 12-1 summarizes the front panel LED status conditions during and after
POST.
Table 12-1 LED Status Indicators
Location LED Condition
Front panel Left/Top 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/Bottom
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.
DC power (green)
Fault (yellow)
System running
(green)