1. Place the antistatic bag or the antistatic mat on a flat, stable surface.
2. Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
point on the chassis.
3. Using a Phillips screwdriver, loosen the locking screw (three or four turns).
4. Grasp the handle on the fan module and squeeze the outside of the handle to release
the module.
WARNING: To avoid injury, do not touch the fan with your hands or any
tools as you slide the fan module out of the chassis—the fan might still
be running.
5. Pull firmly to slide the fan module halfway out of the chassis.
6. When the fan stops spinning, slide the fan module completely out of the chassis.
7. Place the fan module in the antistatic bag or on the antistatic mat placed on a flat,
stable surface.
Figure 41: Removing a Fan Module from a QFX5110
NOTE: When a fan module is removed, the CLI message “Fan/Blower is
Absent” is logged in the system log, and the system raises a minor alarm.
Related
Documentation
• QFX5110 Cooling System and Airflow on page 25
• QFX5110 Field-Replaceable Units on page 15
• QFX5110 Management Panel on page 18
• Installing a Fan Module in a QFX5110 on page 105
107Copyright © 2017, Juniper Networks, Inc.
Chapter 13: Replacing Cooling System Components
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