Table 30: M120 Router Chassis Component Alarm Conditions
Alarm
SeverityRemedyAlarm Condition
Chassis
Component
------------------------Change the air filter.Change the air filter.Air filters
YellowFor 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).
The router boots from an
alternate boot device: the
hard disk. Typically, the router
boots from the flash drive. If
you configure your router to
boot from the hard disk, ignore
this alarm condition.
Alternative media
YellowInsert a Control Board
into the empty slot.
A Control Board was removed.Control Board
YellowReplace the failed
Control Board.
A Control Board temperature
sensor alarm failed.
YellowReplace the failed
Control Board.
A Control Board failed.
RedReplace the failed craft
interface.
The craft interface failed.Craft interface
YellowInstall the missing fan
tray.
One fan tray was removed
from the chassis.
Fan trays
RedInstall the missing fan
trays.
Two or more fan trays were
removed from the chassis.
RedReplace the fan tray.One fan in the chassis is not
spinning or is spinning below
the required speed.
YellowReplace the failed FPC.A FEB has failed and is not
carrying traffic.
FEB
Green (unlit)-A FEB has been designated as
a backup and has not been
failed over to.
Copyright © 2012, Juniper Networks, Inc.86
M Series and T Series Routers Monitoring and Troubleshooting Guide
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