HP ProLiant DL320s Server - Manual (Page 16)

Component identification 16
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.
Battery-backed write cache LEDs
Item ID Color Description
1 Green System Power LED. This LED glows steadily when the
system is powered up and 12 V system power is
available. This power supply is used to maintain the
battery charge and provide supplementary power to the
cache microcontroller.