LED Indicators and Switches
HP ProLiant ML370 Generation 3 Server Setup and Installation Guide E-3
HP CONFIDENTIAL
Writer: Jennifer Hayward File Name: m-appe LED Indicators and Switches.doc
Codename: Dizzy Devil Part Number: 281992-002 Last Saved On: 12/3/02 2:48 PM
Table E-1: Front Panel LEDs continued
Item Description Status Means
Green Normal (system powered on)
Amber Redundant power supply
failed; system power supply
no longer redundant
Red Critical power supply failure
3 External system
health (power supply)
LED
Off Normal (system off)
Green Linked to network
Flashing
green
Linked and activity on the
network
4 NIC link/activity LED
(embedded NIC only)
Off No network connection
Amber System has AC power but is
in standby mode
Green System has AC power and is
turned on
5 Power On/Standby
button and LED
Off System has no AC power
The internal health LED identifies service events for internal components in a
pre-failure or failed condition. Internal components include fans, processors, PPMs,
memory, and overtemperature conditions. For a list of these events, refer to
Appendix D, “Troubleshooting.”
Hot-Plug SCSI Hard Drive LEDs
Each hot-plug SCSI hard drive has three LEDs located on the front of the drive. They
provide activity, online, and fault status for each corresponding drive when
configured as a part of an array and attached to an active Smart Array Controller.
LED behaviors may vary, depending on the status of other drives in the array.
Figure E-2 and Tables E-2 and E-3 identify LED locations and status of each
hot-plug SCSI hard drive.
CAUTION: Before removing a hard drive, refer to the Servers Troubleshooting
Guide for information regarding hot-plug hard drive replacement guidelines.
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