IBM Storwize V7000 Installation Manual page 34

Figure 10. LEDs on the power supply units of the expansion enclosure
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IBM Storwize V7000: Expansion Enclosure Installation Guide
1
Table 5. LED status when expansion enclosures are powered on
Hardware component
Left enclosure end cap, front
of enclosure
Expansion canister, rear. The
reference to the top and
bottom locations applies to
canister 1, which is the upper
canister. The LED locations
are inverted for canister 2,
which is the lower canister.
Power supply unit,
expansion enclosure. The
reference to the left and right
locations applies to power
supply unit 1, which is the
left power supply. The LED
locations are inverted for
power supply unit 2, which
is the right power supply.
LED name and symbol
Power, top
Fault, middle
Identify, bottom
Canister status, top
Fault status, bottom
Power supply, upper right
Fan failure
dc power failure
ac power failure
1
If power on and no fault is
detected
LED is on.
LED is off.
LED is off.
LED is on.
LED is off.
LED is on.
LED is off.
LED is off.
LED is off.