Using the Basic Monitoring Method ! 69
Chapter 11: Understanding the Method and Tools for Monitoring Router Components
Power supplies A power supply was removed
from the chassis.
Insert a power supply into
an empty slot.
Yellow
A power supply temperature
sensor failed.
Replace the failed power
supply or power entry
module.
Yellow
A power supply fan failed. Replace the failed power
supply fan.
Yellow
A power supply has high
temperature.
Replace the failed power
supply or power entry
module.
Red
A 5V power supply has failed. Replace the failed power
supply or power entry
module.
Red
A 3.3V power supply failed. Replace the failed power
supply or power entry
module.
Red
A 2.5V power supply failed. Replace the failed power
supply or power entry
module.
Red
A power supply input failed. Check the power supply
input connection.
Red
A power supply has failed. Replace the failed power
supply or power entry
module.
Red
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 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 hard
disk.
Install a bootable image on
the compact flash. If this
fails, replace the failed
Routing Engine.
Yellow
Compact flash missing in
boot list.
Replace the failed Routing
Engine.
Red
Hard disk missing in boot
list.
Replace the failed Routing
Engine.
Red
Routing Engine failed to
boot.
Replace the failed Routing
Engine.
Red
SCB The SCB failed. If this occurs,
the board attempts to reboot.
Replace the failed SCB. Red
Chassis
Component
Alarm Condition Remedy
Alarm
Severity
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