Power Supply Status; Blower Assembly Status; Power Supply Led Descriptions - IBM System Storage SAN384B-2 Installation, Service And User Manual

Power supply status

To determine the status of a power supply:
1. Check the LED indicators on each power supply (see Figure 28). The LED
2. Check the power supply status by entering psShow.
Figure 28. Power supply

Blower assembly status

To determine the status of a blower assembly:
1. Check the LED indicators on each blower assembly (see Figure 29 on page 64).
patterns may temporarily change during POST and other diagnostic tests; for
information about how to interpret the LED patterns, see Table 11. Be sure to
check both power supplies.
The power supply status displays OK, Absent, or Faulty. If a power supply
displays absent or faulty, contact IBM to order a replacement. Both "absent" or
"faulty" could also be the result of the power supply being turned off or not
being properly seated.
1 Power LED
Table 11. Power supply LED descriptions
LED purpose Color
Power No light (LED is off)
Steady green
Flashing green
The LED patterns may temporarily change during POST and other diagnostic
tests; for information about how to interpret the LED patterns, see Table 12 on
page 64. Be sure to check both blower assemblies.
1
Status
Power supply does
not have incoming
power and is not
providing power to
the SAN384B-2.
Power supply has
incoming power and
is providing power to
the SAN384B-2.
Power supply is
about to fail.
Chapter 4. Monitoring system components
Recommended
Action
Ensure that the
power supply is
firmly seated, the
SAN384B-2 has
incoming power,
both power cables
are connected, and
AC power switches
are on.
No action required.
Replace the power
supply.
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