
FIGURE 49
HVAC/HVDC power supply LED
1.
Power status LED
The following tables describe the power supply LED patterns and the recommended actions for those patterns. In the unlikely event of a
faulty power supply, the status LED will flash in a coded pattern to provide additional fault information. Record the sequence of flashes
and status as defined in the table to provide to your support representative along with
supportsave
output data.
TABLE 21
AC Power supply LED descriptions
LED purpose
Color
Status
Recommended action
Power status
No light (LED is off)
Power supply does not have
incoming power and is not
providing power to the device.
NOTE
When incoming power
is first removed, LED
flashes, and then turns
off.
Ensure that the power supply is
firmly seated, power cable is
connected, and that power cable is
connected to power source.
Disconnect power cable from
power supply, remove and reinsert
power supply, and then reconnect
power cable to restart.
If status persists, replace power
supply assembly.
Steady green
Power supply has incoming power
and is providing power to the
device.
No action required.
Flashing on one-half second and
then off one-half second.
AC power is disconnected from the
power supply assembly, but
additional power supply installed in
device is powered on.
Check power connection at power
supply, cable, and AC power
source. If these check out,
disconnect power cable from power
supply, remove and reinsert power
supply, and then reconnect power
cable to restart. If status persists,
replace power supply assembly.
Flashing on two times, and then off
5 seconds.
48V is out of range.
Disconnect power cable from
power supply, remove and reinsert
power supply, and then reconnect
power cable to restart. If status
persists, replace power supply
assembly. If status persists, replace
power supply.
Interpreting power supply LEDs
Brocade X6-4 Director Hardware Installation Guide
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