LED Indicators 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 4-8 indicate system status.
NOTE: The system management driver must be installed in order for the internal health LED to provide
pre-failure and system 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 4-8: System LEDs and Internal Health LED Status Combinations
System LED and Color Internal Health LED Color Status
Processor failure, socket X (amber) Red
• Processor in socket X has failed.
• Processor has failed over to offline
spare.
• Processor is not installed in socket X.
• ROM detects a failed processor
during POST.
Amber
• Processor in socket X is in pre-failure
condition.
• Processors are missing (PPM
installed without processor).
Processor failure, both sockets
(amber)
Red Processor types do not match.
DIMM failure, slot X (amber) Red
• DIMM in slot X has failed.
• DIMM has experienced a multi-bit
error.
Amber
• DIMM has reached single-bit
correctable error threshold.
• DIMM in slot X is in pre-failure
condition.
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.
• DIMMs are not populated in correct
order.
DIMM failure, all slots (amber)
Red
• No valid or usable memory is
installed in the system.
• The banks are not populated in the
correct order.
continued
4-12 HP ProLiant ML370 Generation 3 Server Maintenance and Service Guide
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