Removing A Qfx10000 Fan Tray Controller; Figure 86: Fan Tray Controller - Juniper QFX10016 Hardware Manual

Removing a QFX10000 Fan Tray Controller

Copyright © 2017, Juniper Networks, Inc.
For each of the two fan trays, there is a fan tray controller. Each controller is a
hot-removable and hot-insertable field-replaceable unit (FRU); you can remove and
replace one fan tray controller while the switch is running without turning off power to
the switch or disrupting switching functions. See

Figure 86: Fan Tray Controller

CAUTION: Do not remove the fan tray controller unless you have a
replacement controller available.
In order to access a fan tray controller, you must first remove the fan tray. With the fan
tray removed, the fan tray controller is installed horizontally above the switch interface
boards (SIBs) at the top of the chassis.
Before you remove a fan tray controller:
Ensure you understand how to prevent ESD damage. See
Discharge Damage" on page
Ensure that you have the following parts and tools available to remove a fan tray controller
from a QFX10000:
Electrostatic discharge (ESD) grounding strap
An electrostatic bag or an antistatic mat
Replacement fan tray controller
A Phillips (+) screwdriver, number 1, for the captive screws
Remove the fan tray. See
1.
Loosen the two captive screws on each side of the fan tray controller.
2.
Grasp the fan tray controller and pull it straight out of the slot. See
3.
for the QFX10008 and
Chapter 16: Replacing Cooling System Components
Figure 86 on page
327.
"Removing a QFX10000 Fan Tray" on page
Figure 88 on page 188 for the QFX10016.
187.
"Prevention of Electrostatic
180.
Figure 87 on page 188
187