Juniper JUNOS - NETWORK OPERATION GUIDE REV1 - Page 100

JUNOS Internet Software Network Operations Guide: Hardware
64 ! Using the Basic Monitoring Method
Routing Engine Error in reading or writing
hard disk.
Reformat the hard disk and
install a bootable image. If
this fails, replace the failed
Routing Engine.
Yellow
Error in reading or writing
compact flash.
Reformat the compact flash
and install bootable image.
If this fails, replace the
failed Routing Engine.
Yellow
System booted from hard
disk. This alarm only applies,
if you have an optional flash
drive.
Install a bootable image on
the compact flash. If this
fails, replace the failed
Routing Engine.
Yellow
Compact flash is missing in
boot list.
Replace the failed Routing
Engine.
Red
Hard disk is missing in boot
list.
Replace the failed Routing
Engine.
Red
Routing Engine failed to
boot.
Replace the failed Routing
Engine.
Red
Temperature The chassis temperature
exceeded 55 degrees C, the
fans turned on to full speed,
and one or more fans 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