Chapter 1 Tray Overviews 19
Controller Tray and Drive Expansion Tray Power-
Fan Assembly LEDs
The power-fan assembly LEDs for the Sun StorageTek 2540 Array, the Sun
StorageTek 2530 Array, the Sun StorageTek 2510 Array, and the Sun StorageTek 2501
drive expansion tray are identical.
FIGURE 1-13 Locations of the Power-Fan Assembly LEDs
TABLE 1-5 Descriptions of the Power-Fan Assembly LEDs
Location LED Color On Off
1 DC Power (DC Good) Green DC power from the
power-fan assembly is
available.
DC power from the power-
fan assembly is not
available.
2 Service Action Allowed Blue The power-fan assembly
can be removed from the
tray.
The power-fan assembly
cannot be removed from the
tray.
3 Fault Amber A fault exists within the
power-fan assembly.
Normal condition
4 Power (AC Good) Green The assembly is powered
on.
The assembly is not
powered on.