Leds On The Power Supply Units Of The Control; Supply Unit - IBM Storwize V7000 Maintenance Manual

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Figure 21. LEDs on the power supply units of the control enclosure
Table 18. Power-supply unit LEDs
Power
supply
Fan
ac failure
OK failure
On On On
Off Off Off
Off Off Off
1
dc failure
Status
On Communication
failure between
the power
supply unit and
the enclosure
chassis
Off No ac power to
the enclosure.
On The ac power is
on but power
supply unit is
not seated
correctly in the
enclosure.
Chapter 6. Resolving a problem
Action
Replace the power
supply unit. If failure is
still present, replace the
enclosure chassis.
Turn on power.
Seat the power supply
unit correctly in the
enclosure.
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