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Replace a Fan Module
Note
To ensure adequate airflow and prevent overheating, do not operate the router with seven fan modules for
more than 10 minutes.
If you cannot replace a fan module within three minutes, we recommend that you leave it in the chassis until
you are ready to replace it.
Caution
Never remove two fan modules at a time during operation. The router allows up to two minutes of operations
before shutting down unless you replace the missing fan module within that time. If the router senses an over
temperature condition when multiple fan modules are removed, the shutdown can occur in fewer than two
minutes.
Warning
Statement 1030 Equipment Installation
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1090 Installation by Skilled Person
Only a skilled person should be allowed to install, replace, or service this equipment. See statement 1089 for
the definition of a skilled person.
Warning
Statement 1091 Installation by an Instructed Person
Only an instructed person or skilled person should be allowed to install, replace, or service this equipment.
See statement 1089 for the definition of an instructed or skilled person.
Warning
Statement 1073 No User-Serviceable Parts
There are no serviceable parts inside. To avoid risk of electric shock, do not open.
Warning
Statement 1029 Blank Faceplates and Cover Panels
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages
and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other
equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all
cards, faceplates, front covers, and rear covers are in place.
Hardware Installation Guide for Cisco 8600 Series Routers
112
Replace Chassis Components
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