Dell Brocade G620 Hardware Installation Guide - Page 71

Power supply and fan assembly status LED, Interpreting the POST results

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Power supply and fan assembly status LED 1 Power supply and fan assembly 2 2 Power supply and fan assembly 1 FIGURE 30 Nonport-side LEDs 3 Power supply and fan assembly 1 status LED 4 Power supply and fan assembly 2 status LED Power supply and fan assembly status LED Refer to the following table to interpret the power supply and fan assembly status LED during normal operation. TABLE 13 Power supply and fan assembly status LED patterns during normal operation LED color Description Action required No light Power supply and fan assembly is not receiving power, or is off. Verify that the power supply and fan assembly is on and seated and the power cord is connected to a functioning power source. Steady green Power supply and fan assembly is operating normally. No action is required. Flashing green (for more than 5 seconds) Power supply and fan assembly is faulty for one of the following reasons: • The assembly is switched off (flashing for ~ 5 seconds, then off). • The power cable is disconnected (flashing for ~ 5 seconds, then off). • The power supply and fan assembly has failed. Try one of the following: • Check the power cable connection. • Verify that the assembly is powered on. • Replace the power supply and fan assembly. NOTE: When the device is first powered on, the power supply and fan assembly status LED flashes until POST has completed. Interpreting the POST results Each time the switch is powered on, rebooted, or reset, the switch performs a power-on self-test (POST). Total boot time with the POST can be several minutes. The POST can be omitted after subsequent reboots by using the fastboot command or entering the diagDisablePost command to Brocade G620 Hardware Installation Guide 71 53-1003990-01

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1
Power supply and fan assembly 2
2
Power supply and fan assembly 1
3
Power supply and fan assembly 1
status LED
4
Power supply and fan assembly 2
status LED
FIGURE 30
Nonport-side LEDs
Power supply and fan assembly status LED
Refer to the following table to interpret the power supply and fan assembly status LED during normal
operation.
Power supply and fan assembly status LED patterns during normal operation
TABLE 13
LED color
Description
Action required
No light
Power supply and fan assembly is not receiving
power, or is off.
Verify that the power supply and fan
assembly is on and seated and the
power cord is connected to a
functioning power source.
Steady green
Power supply and fan assembly is operating
normally.
No action is required.
Flashing green (for
more than 5
seconds)
Power supply and fan assembly is faulty for one of
the following reasons:
•
The assembly is switched off (flashing for ~ 5
seconds, then off).
•
The power cable is disconnected (flashing for ~ 5
seconds, then off).
•
The power supply and fan assembly has failed.
NOTE: When the device is first powered on, the
power supply and fan assembly status LED flashes
until POST has completed.
Try one of the following:
•
Check the power cable connection.
•
Verify that the assembly is powered
on.
•
Replace the power supply and fan
assembly.
Interpreting the POST results
Each time the switch is powered on, rebooted, or reset, the switch performs a power-on self-test
(POST). Total boot time with the POST can be several minutes. The POST can be omitted after
subsequent reboots by using the
fastboot
command or entering the
diagDisablePost
command to
Power supply and fan assembly status LED
Brocade G620 Hardware Installation Guide
71
53-1003990-01