Fan Assembly Replacement Procedure
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In this guide
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Fan assembly replacement
This group of switches has three fan assemblies as displayed in
.
FIGURE 1
Fan assemblies on the nonport side
CAUTION
Disassembling any part of the fan assembly voids the part warranty and regulatory certifications. There
are no user-serviceable parts inside the fan assembly.
Because the cooling system relies on pressurized air, do not leave any of the fan assembly slots empty
longer than two minutes while the switch is operating. If a fan assembly fails, leave it in the switch until it
can be replaced.
Maintain all three fan assemblies in operational condition to provide redundancy.
describes the fan status LED colors, behaviors, and actions required, if any.
1
Fan Assembly 1
2
Fan Assembly 2
3
Fan Assembly 3
TABLE 1
Fan status LED behavior, description, and required actions
LED color and behavior
Description
Action required
No light.
Fan assembly is not receiving power.
Verify that the fan FRU is seated correctly.
Steady green.
Fan assembly is operating normally.
No action required.
Steady amber (for more
than five seconds).
Fan fault for one of the following reasons:
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one or more of the fan(s) in the fan assembly
has failed
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the fan FRU was disabled by the user
Verify that the fan FRU is enabled. If the fan FRU is
enabled and the FRU is faulty it should be
replaced.
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