JUNOS Internet Software Network Operations Guide: Hardware
68 ! Using the Basic Monitoring Method
Table 23 lists the alarms that the chassis components can generate on an M40
router.
Table 23: M40 Router Chassis Component Alarm Conditions
Chassis
Component
Alarm Condition Remedy
Alarm
Severity
Air filter Change the air filter. Change the air filter. --------------------
Alternative media 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.
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).
Yellow
Craft interface The craft interface failed. Replace the failed craft
interface.
Red
Fan trays One fan tray was removed
from the chassis.
Install the missing fan tray. Yellow
Two or more fan trays were
removed from the chassis.
Install the missing fan trays. Red
One fan in the chassis is not
spinning or is spinning below
the required speed.
Replace the fan tray. Red
FPC An FPC has an out-of-range
or invalid temperature
reading.
Replace the failed FPC. Yellow
An FPC microcode download
has failed.
Replace the failed FPC. Red
An FPC failed. If this occurs,
the FPC attempts to reboot. If
the SCB sees that an FPC is
rebooting too often, it shuts
down the FPC.
Replace the failed FPC. Red
Too many hard errors in FPC
memory.
Replace the failed FPC. Red
Too many soft errors in FPC
memory.
Replace the failed FPC. Red
Hot swapping Too many hot-swap
interrupts are occurring. This
message generally indicates
that a hardware component
that plugs into the router’s
backplane from the front
(generally, an FPC) is broken.
------------------------------------------- Red
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