Brocade DCX 8510-4 Backbone Hardware Reference Manual - Manual (Page 59)

Blower assembly LED descriptions TABLE 8
LED purpose Color Status Recommended action
Power No light (LED is off) Blower assembly does not
have power. Ensure that the blower assembly is
firmly seated and has power.
Steady green Blower assembly has power. No action required.
Fault No light (LED is off) Blower assembly is either
healthy or does not have
power. Ensure that the blower assembly has
power.
Steady amber Blower assembly has a
failure (full or partial). Replace the blower assembly.
Slow-flashing amber (on
2 seconds, then off 2
seconds) Blower assembly is not
seated correctly or is faulty. Pull the unit out and reseat it. If the
LED continues to flash, replace the
unit.
Flashing amber (on 1/2
second, then off 3.5
seconds) Fan is disabled. Run the fanEnable command to
enable the fan.
Fast-flashing amber(on
1/2 second, then off 1/2
second) Environmental range
exceeded. Check for out-of-bounds
environmental condition, resolve any
problems, and reseat the unit. If the
LED continues to flash, replace the
unit.
Determining the status of a WWN card
Complete the following steps to determine the status of a WWN card.
NOTE
The WWN bezel (logo plate) covers the WWN cards. The LEDs on the WWN cards are not visible
unless the bezel is removed.
Enter the chassisShow command to display information about the WWN card. (WWN units correspond
to information specific to the WWN card.) Error messages that may indicate problems with a WWN card
are summarized in the following table.
Messages that may indicate WWN card failure TABLE 9
Type of message Sample error message
WWN unit fails its field-replaceable unit
(FRU) header access.
0x24c (fabos): Switch: switchname, error EM-
I2C_TIMEOUT, 2, WWN 1 I2C timed out: state 0x4
WWN unit fails to power on.
<timestamp>, [EM-1004], <sequence-number>,, CRITICAL,
<system-name>, WWN # failed to power onor<timestamp>,
[EM-1043], <sequence-number>,, WARNING, <system-
name>, Can't power <FRU Id> <state (on or off)>.
Determining the status of a WWN card
Brocade DCX 8510-4 Backbone Hardware Reference Manual 59
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