JUNOS Internet Software Network Operations Guide: Hardware
66 ! 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 a bootable
image. If this fails, replace
the failed Routing Engine.
Yellow
System booted from the default
backup Routing Engine. If you
manually switched mastership,
ignore this alarm condition.
Install a bootable image on
the default master Routing
Engine. If this fails, replace
the failed Routing Engine.
Yellow
System booted from the hard
disk.
Install a bootable image on
the compact flash. If this
fails, replace the failed
Routing Engine.
Yellow
Compact flash is missing in the
boot list.
Replace the failed Routing
Engine.
Red
Hard disk is missing in the boot
list.
Replace the failed Routing
Engine.
Red
Routing Engine failed to boot. Replace the failed Routing
Engine.
Red
Power supplies A power supply was removed
from the chassis.
Insert power supply into
empty slot.
Yellow
A power supply failed. Replace the failed power
supply.
Red
SSB The Control Board failed.
If this occurs, the board
attempts to reboot.
Replace the failed Control
Board.
Red
Chassis
Component
Alarm Condition Remedy
Alarm
Severity