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Chapter 1 General Description
*3 If the STATUS LED indicates a degraded or critical condition, check the system IML or use iLO to check
the system status.
(1) UID switch function
When the server does not turn on, the UID switch can be used to display Server Health Summary.
(2) Power failure LED
The following table shows a list on power failure LEDs and affected subsystems. Not all power failures are
applied on all servers.
Motherboard
Processor
Memory
Riser card board PCIe slot
LOM card
RAID controller/SAScontroller
Motherboard PCIe slot
Power backplane or storage backplane
Power Supply Unit
(3) Status LED Panel (Systems Insight Display)
The Status LED Panel represents the layout of the parts on the motherboard. From these LED indicators, you
can diagnose suspected parts while the top cover is attached.
Procedure
Push the panel and then pull it out.
After pulling out the entire panel, turn back the panel to see the status of LED.
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Subsystem
Express5800/R120h-1M User's Guide
4. Names and Functions of Parts
LED status
Flashes once
Flashes twice
Flashes 3 times
Flashes 4 times
Flashes 5 times
Flashes 6 times
Flashes 7 times
Flashes 8 times
Flashes 9 times
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