Blower Assembly; Power Supply Led Descriptions - HP A7990A - StorageWorks SAN Director 4/16 Blade Switch Hardware Reference Manual

Table 1 1 describes the power supply LED patterns and the recommended actions for those patterns.
Table 1 1

Power supply LED descriptions

LED purpose
Power

Blower assembly

To determine the status of a blower assembly:
1. Check the LED indicators on the blower assembly
change during POST and other diagnostic tests; for information about how to interpret the LED
patterns, see
2. Check the blower assembly status using the fanShow command.
The status for each blower assembly displays OK, Absent, or Faulty. The RPM of each fan in the
assembly is also provided. If a blower assembly is absent or faulty, contact HP.
Figure 24 displays the blower assembly.
Figure 24

Blower assembly

1 Power LED
Color Status
No light Power supply does not have
(LED is off) incoming power and is not
providing power to the DC
Director.
Steady green Power supply has incoming
power and is providing power
to the DC Director.
Flashing green Power supply is about to fail.
Table 12.
1
2
Recommended action
Ensure power supply is firmly
seated, DC Director has
incoming power, both power
cables are connected, and AC
power switches are on.
No action required.
Replace power supply.
(Figure 24). The LED patterns may temporarily
2 Fault LED
DC SAN Backbone Director hardware reference guide 59