user manual

Server component identification 13
System LED and Color
Internal Health
LED Color
Status
Amber
• DIMM in slot X has reached single-bit correctable
error threshold.
• DIMM in slot X is in a pre-failure condition.
• DIMM in slot X is an unsupported type, but valid
memory exists in another bank.
DIMM failure, all slots
in one bank (Amber)
Red No valid or usable memory is installed in the system.
Overtemperature
(Amber)
Amber
The Health Driver has detected a cautionary temperature
level.
Red
The server has detected a hardware critical temperature
level.
Riser interlock
(Amber)
Red The PCI riser board assembly is not seated.
Fan module (Amber) Amber A redundant fan has failed.
Fan module (Red) Red
The minimum fan requirements are not being met in one or
more of the fan modules. One or more fans have failed or
are missing.
Power supply signal
interlock (Amber)
Red
The power supply signal cable is not connected to the
system board.
Internal USB connector
For more information, refer to "Internal USB functionality (on page 50)."