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Connectors, LEDs, and Switches
System LEDs and Internal Health LED Status Combinations
When the internal health LED on the front panel illuminates either amber or red, the server is
experiencing a health event. The combinations of illuminated system LEDs and the internal
health LED in Table 4-19 indicate system status.
NOTE:
The system management driver must be installed in order for the internal health LED to provide
pre-failure warranty conditions.
The internal health LEDs on the front panel indicate the current hardware status and are used
to assist in initial troubleshooting. Note that in some situations, Insight Manager 7 reports
server status differently than the health LEDs because it tracks more system attributes.
Table 4-19: System LEDs and Internal Health LED Status Combinations
System LED and Color
Internal Health LED
Color
Status
Red
•
Processor has failed.
•
Required processor is not installed in socket.
•
ROM detects a failed processor during POST.
Processor failure (amber)
Amber
Processor is in pre-failure condition.
PPM failure (amber)
Red
•
PPM has failed.
•
PPM is not installed, but the corresponding
processor is installed.
Red
DIMM has experienced a multi-bit error.
DIMM failure (amber)
Amber
DIMM has reached single-bit correctable error
threshold.
DIMM failure, all slots in one
bank (amber)
Red
Interleaving error: The bank is not populated entirely, or
DIMMs do not all match within the bank.
DIMM failure, all slots (amber)
Red
No valid or usable memory is installed in the system.
Red
System has exceeded operating system cautionary
level or critical hardware level.
Thermal warning (amber)
Green
Normal
Red
A required fan has failed or is missing.
Fan (amber)
Amber
A redundant fan has failed.
Red
A required power supply has failed.
Power supply (off)
Amber
A redundant power supply has failed.
HP ProLiant ML570 Generation 2 Server Maintenance and Service Guide
4-21
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