T3 LEDs

In general any fault status will be shown by a flashing amber LED. A solid amber LED implies a download or upgrade in progress while a solid green LED indicates normal operation. Here are the specific codes for each LED type. All of these assume power is on, unless indicated.

Text version of T3 LEDs for printing.

T3 Controller

Controller LED	Controller Status
	bootmode-none at EEPROM level Controller is not installed or recognized
	Controller OK
	Controller boot, shutdown, or firmware download in progress
	Controller failed to initialize, no boot code, hardware fault or failure; replace controller Note: Verify a controller card failure using the CLI or Component Manager.

Fibre Channel LED	Fibre Channel Status
	Fibre Channel disabled
	Fibre Channel enabled and inactive
	Fibre Channel enabled and active

T3+ Controller

Controller State LED	Controller Status
	Controller is not installed or recognized
	Controller OK
	Controller boot, shutdown, or firmware download in progress
	Controller failed to initialize, no boot code, hardware fault or failure; OK to replace controller Note: Verify a controller card failure using the CLI or Component Manager.

FC-AL Active LED	Fibre Channel Status
	Port disabled
	Fibre Channel enabled and idle
	Fibre Channel enabled and active

Ethernet Active LED	Fibre Channel Status
	Link invalid
	Link valid and idle
	Link valid and active

10/100bps Active LED	Fibre Channel Status
	Port disabled (10 Mbps rate)
	Port enabled and idle (100 Mbps rate)
	Port enabled and active

Interconnect Card

IC Status LED	Current Status
	IC not installed or recognized
	IC OK Cable OK (if present)
	IC OK Cable bad
	IC firmware download in progress
	IC hardware fault or failure, replace IC Note: Verify an interconnect card or cable failure using the CLI or Component Manager.

Power and Cooling Unit

AC Status LED	PS OK Status LED	Status
		Power is off No AC power present
		Power is off Power Switch turned off AC Power is available
		Normal Operating State: PCU receiving AC Power switch turned on AC power available
		Occurs when disk tray is shut down: PCU disabled AC power is available
		PCU is off; disk tray willpower off after PCU is disabled
		Indicates one or more of the following: Over temperature condition; PCU disabled DC power not available; PCU disabled Both fans have fault; PCU disabled Battery on refresh cycle
		Battery Recharging
		Indicates one or more of the following: PCU disabled One fan fault Battery hold time low; PCU remains enabled Battery out of warranty; PCU remains enabled Battery life span failure; PCU remains enabled Note: Verify a power and cooling unit failure using the CLI or Component Manager.

Disk Drive

Drive Activity	Drive Status	Status
		Drive not installed or recognized
		Drive spin up or spin down
		Drive ok and idle
		Drive ok and active
N/A		Drive reconstruct Firmware download in progress
N/A		Drive failure, replace drive Note: Verify a drive failure using the CLI or Component Manager.