Appendix B: Field-Replaceable Units
7705 SAR-8 Installation Guide Page 145
Replacing the Fan Module
This section contains:
• Warnings and Notes
• Removing the Fan Module
• Replacing the Fan Module
Warnings and Notes
Danger: Always keep your fingers away from rotating fan blades.
Warning: The Fan module is hot-swappable. The 7750 SAR chassis operates safely for up
to 4 minutes while you replace the Fan module. If a longer maintenance time is required,
power off the system to prevent over-temperature conditions.
Note: In the event of a single fan failure, the remaining fans continue to run. This is sufficient
to continue to provide adequate cooling for the system, but the Fan module needs to be
replaced as soon as possible. The individual fans are not field-replaceable.
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