Using the Basic Monitoring Method ! 67
Chapter 11: Understanding the Method and Tools for Monitoring Router Components
Temperature The chassis temperature
exceeded 55 degrees, the fans
turned on to full speed, and one
or more fans have failed
! Check the room
temperature.
! Check the air filter and
replace it.
! Check the air flow.
! Check the fan.
Yellow
The chassis temperature
exceeded 65 degrees C and the
fans turned on to full speed.
! Check the room
temperature.
! Check the air filter and
replace it.
! Check the air flow.
! Check the fan.
Yellow
The chassis temperature
exceeded 65 degrees C and a
fan failed. If this condition
persists for more than 4
minutes, the router shuts down.
! Check the room
temperature.
! Check the air filter and
replace it.
! Check the air flow.
! Check the fan.
Red
The chassis temperature
exceeded 75 degrees C. If this
condition persists for more than
4 minutes, the router shuts
down.
! Check the room
temperature.
! Check the air filter and
replace it.
! Check the air flow.
! Check the fan.
Red
The temperature sensor failed. For technical support, open
a support case using the
Case Manager link at
http://www.juniper.net
/support/
or call
1-888-314-JTAC (within the
United States) or
1-408-745-9500 (outside
the United States).
Red
Chassis
Component
Alarm Condition Remedy
Alarm
Severity