Removing A Fan Module From A Qfx5100 Device - Juniper QFX5110 Series Hardware Documentation

Removing a Fan Module from a QFX5100 Device | 442

Cooling System and Airflow in a QFX5100 Device
Field-Replaceable Units in a QFX5100 Device
Management Panel of a QFX5100 Device

Removing a Fan Module from a QFX5100 Device

The fan modules in QFX5100 devices are hot-removable and hot-insertable field-replaceable units (FRUs):
you can remove and replace them without powering off the switch or disrupting switch functions.
CAUTION:
removal to prevent chassis overheating. Before removing the fan module, ensure you
have a replacement fan module at hand.
Before you remove a fan module from a QFX5100 device, ensure that you have taken the necessary
precautions to prevent electrostatic discharge (ESD) damage (see
Damage" on page 242).
Ensure that you have the following parts and tools available to remove a fan module from a QFX5100
device:
ESD grounding strap
Antistatic bag or an antistatic mat
To remove a fan module from a QFX5100 device (see
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 (3 or 4 turns).
4. Grasp the handle on the fan module and squeeze the outside of the handle to release the module.
WARNING:
you slide the fan module out of the chassis—the fan might still be running.
Replace a failed fan module with a new fan module within 1 minute of
To avoid injury, do not touch the fan with your hands or any tools as
"Prevention of Electrostatic Discharge
Figure 154 on page 443 and Figure 155 on page 443):
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