Front Panel LEDs and Buttons

Item	Description	Status
1	Power On/Standby button and system power LED	Green = System is on.
2	UID button/LED	Blue = Identification is activated.
3	Internal health LED	Green = System health is normal.
4	External health LED (power supply)	Green = Power supply health is normal.
5	NIC 1 link/activity LED	Green = Network link exists.
6	NIC 2 link/activity LED	Green = Network link exists.

Rear Panel LEDs and Buttons

Item	Description	Status
1	iLO activity	Green = Activity exists.
2	iLO link	Green = Link exists.
3	10/100/1000	Green = Link exists.
4	10/100/1000	Green = Link exists.
5	10/100/1000	Green = Link exists.
6	10/100/1000	Green = Activity exists.
7	UID button/LED	Blue = Identification is activated.

System Board LEDs

Item	LED Description	Status
1	DIMM 6C failure	Amber = DIMM has failed.
2	DIMM 5C failure	Amber = DIMM has failed.
3	DIMM 4B failure	Amber = DIMM has failed.
4	DIMM 3B failure	Amber = DIMM has failed.
5	DIMM 2A failure	Amber = DIMM has failed.
6	DIMM 1A failure	Amber = DIMM has failed.
7	Overtemperature	Amber = System has reached cautionary or critical temperature level.
8	Processor 1 failure	Amber = Processor has failed.
9	PPM 1 failure	Amber = PPM has failed.
10	PPM 2 failure	Amber = PPM has failed.
11	Processor 2 failure	Amber = Processor has failed.
12	Power supply signal connector interlock failure	Amber = Power supply signal cable is not connected.
13	Standby power good	Green = Auxiliary power is applied.
14	Power supply fan module failure	Amber = One fan in this module has failed.
15	System diagnostic	Refer to the HP Remote Lights-Out Edition II User Guide on the Documentation CD.
16	Online spare memory	Amber = Failover has occurred. Online spare memory is in use.
17	Riser interlock	Amber = PCI riser assembly is not seated.

System LEDs and Internal Health LED Combinations

When the internal health LED on the front panel illuminates either amber or red, the server is experiencing a health event. Combinations of illuminated system LEDs and the internal health LED indicate system status.

The front panel health LEDs indicate only the current hardware status. In some situations, HP SIM may report server status differently than the health LEDs because the software tracks more system attributes.

System LED and Color	Internal Health LED Color	Status
Processor failure, socket X (Amber)	Red	One or more of the following conditions may exist:
	Amber	Processor in socket X is in a pre-failure condition.
Processor failure, both sockets (Amber)	Red	Processor types are mismatched.
PPM failure (Amber)	Red	PPM has failed.
DIMM failure, slot X (Amber)	Red	DIMM in slot X has failed. DIMM in slot X is an unsupported type, and no valid memory exists in another bank.
	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.
Online spare memory (Amber)	Amber	Bank X failed over to the online spare memory bank.
Power converter module interlock (Amber)	Red	The power converter module 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.

Hot-Plug SCSI Hard Drive LEDs

Item	LED Description	Status
1	Activity status	On = Drive activity
2	Online status	On = Drive is part of an array and is currently working.
3	Fault status	On = Drive failure

Hot-Plug SCSI Hard Drive LED Combinations

Activity LED (1)	Online LED (2)	Fault LED (3)	Interpretation
On, off, or flashing	On or off	Flashing	A predictive failure alert has been received for this drive.
On, off, or flashing	On	Off	The drive is online and is configured as part of an array.
On or flashing	Flashing	Off	Do not remove the drive. Removing a drive may terminate the current operation and cause data loss.
On	Off	Off	Do not remove the drive.
Flashing	Flashing	Flashing	Do not remove the drive. Removing a drive may cause data loss in non-fault-tolerant configurations.
Off	Off	On	The drive has failed and has been placed offline.
Off	Off	Off	Either (1) the drive is not configured as part of an array; (2) the drive is configured as part of an array, but it is a replacement drive that is not being accessed or being rebuilt yet; or (3) the drive is configured as an online spare.

Optional Battery-Backed Write Cache Enabler LEDs

Item	LED Color
1	Amber
2	Green

Battery-Backed Write Cache Enabler LED Status

Server Status	LED Status	Battery Module Status
Server is on and has normal run time	Green = On	Fast charging
	Green = Off	Trickle charging
	Amber = On	A short exists in the connection of one or more of the four button cells within the battery module
	Amber = Blinking	An open exists in the circuit between the positive and negative terminals of the battery module
	Amber = Off	Normal
Server is on and is in the first 30 seconds after power up	Green = On	Temporary lock-out state; data was lost due to cable being detached
Server is off and is in data retention mode	Amber = Blinking every 15 seconds	User data held in write cache is being backed up

Processor Zone Fan Module LED

Status
Amber = One fan in this module has failed.
Red = Multiple fans in this module have failed.
Off = All fans in this module are operating normally.

For power supply zone fan module LED information, refer to System Board LEDs