HP DC04 SAN Director Switch Hardware Reference Guide

Figure 31 Power supply
1. Power LED
Table 12 (page 62) describes the power supply LED patterns and the recommended actions for
those patterns.
Table 12 Power supply LED descriptions
Recommended actionStatusColorLED purpose
Ensure power supply is firmly
seated, DC04 SAN Director has
Power supply does not have
incoming power and is not
No light (LED is off)Power
incoming power, both power
cables are connected, and AC
power switches are on.
providing power to the DC04
SAN Director.
No action requiredPower supply has incoming
power and is providing power
to the DC04 SAN Director.
Steady green
Replace power supply.Power supply is about to fail.Flashing green
Monitoring blower assembly status
To determine the status of a blower assembly:
1. Observe the LED indicators on the blower assembly (see Figure 32 (page 62)). The LED patterns
may temporarily change during POST and other diagnostic tests; for information about how
to interpret the LED patterns, see Table 13 (page 63).
2. Verify 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 32 Blower assembly
2. Fault LED1. Power LED
62 Monitoring DC04 SAN Director system components