Juniper SRX1400 Hardware Manual page 136

SRX1400 Services Gateway Hardware Guide
116
Table 37: Fan Tray LED
Color LED Status
Amber Off
On Steadily
NOTE: The fan tray LED provides additional safety measures. Even though
you can remove the fan tray while the fans are still running, we strongly
recommend that you wait until the fan tray LED lights steadily amber
(indicating that the fans are not running) before you remove the fan tray..
To replace the fan tray:
Use the request chassis fan-tray offline
1.
the system displays Fan Take Offline Successful message and the fan tray LED lights
amber (indicating that the fans are not running).
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
2.
ESD points on the chassis. For more information about ESD, see "Preventing
Electrostatic Discharge Damage to the SRX1400 Services Gateway" on page 149.
Turn the screw to the left on the fan tray door as shown in Figure 32 on page 116. Open
3.
the fan tray door to the right and remove the fan tray door.
Figure 32: Replacing the Fan Tray—Opening the Fan Tray Door
Wait for the fans to stop spinning completely.
4.
Indicated Condition
Fans are running and fan tray is functioning normally. Do not
remove the fan tray in this condition.
Fans are not running, and fan tray can be removed safely.
NOTE: This Fan tray LED lights only when fans are shut down
manually using the CLI command
offline .
The fan tray LED does not indicate a fan failure. The
available on the System I/O Card (SYSIOC) indicates the fan
failure status.
command to shut down the fans. Wait until
Copyright © 2011, Juniper Networks, Inc.
request chassis fan-tray
LED
FAN