Juniper SRX1400 Hardware Manual page 126

SRX1400 Services Gateway Hardware Guide
Related
Documentation
106
Table 34: SRX1400 Services Gateway Cooling System Alarm Conditions
and Corrective Actions
Alarm Conditions
The services gateway fan
has failed.
The services gateway fan
tray is removed
The device temperature is
too warm.
The services gateway
temperature is too high,
either because of an
internal overheating
condition or because the
maximum recommended
room temperature has
been exceeded.
NOTE: The services gateway shuts down automatically if the device
temperature exceeds the threshold value. In this case, the Routing Engine
will also be in the off state, and you must press the POWER button to power
on the device again.
SRX1400 Services Gateway Cooling System on page 37
Maintaining the Fan Tray on the SRX1400 Services Gateway on page 97
Maintaining the Air Filter on the SRX1400 Services Gateway on page 96
Alarm Indications
on SYSIO Card Possible Cause and Corrective Action
Red (critical alarm 1. Use the CLI to get information about the
LED) source of an alarm condition:
user@host> show chassis alarms
2. If the CLI output lists only one fan failure
and the other fan is functioning normally,
the fan is most likely faulty and you need
to replace the fan tray, as described in
"Replacing the Fan Tray on the SRX1400
Services Gateway" on page 115.
Red (critical alarm Reinstall the fan tray.
LED) and Yellow
(non-critical alarm
LED)
Yellow (non-critical The Routing Engine constantly monitors the
alarm LED) temperatures detected by sensors and
device components, and adjusts the speed
of the fans as necessary.
TIP: Place your hand near the exhaust vents
at the side of the chassis to determine
whether the fans are pushing air out of the
chassis.
Red (critical alarm The services gateway shuts down
LED) automatically in four minutes.
Copyright © 2011, Juniper Networks, Inc.