Juniper M Series - Packet Forwarding Engine

Table 27: M20 Router Chassis Component Alarm Conditions (continued)
Alarm
SeverityRemedyAlarm Condition
Chassis
Component
Yellow• Check the room
temperature.
• Check the air filter and
replace it.
• Check the air flow.
• Check the fan.
The chassis temperature
exceeded 55 degrees C, the fans
turned on to full speed, and one
or more fans have failed
Temperature
Yellow• Check the room
temperature.
• Check the air filter and
replace it.
• Check the air flow.
• Check the fan.
The chassis temperature
exceeded 65 degrees C and the
fans turned on to full speed.
Red• Check the room
temperature.
• Check the air filter and
replace it.
• Check the air flow.
• Check the fan.
The chassis temperature
exceeded 65 degrees C and a
fan failed. If this condition
persists for more than 4
minutes, the router shuts down.
Red• Check the room
temperature.
• Check the air filter and
replace it.
• Check the air flow.
• Check the fan.
The chassis temperature
exceeded 75 degrees C. If this
condition persists for more than
4 minutes, the router shuts
down.
RedFor 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 temperature sensor failed.
Table 28 on page 76 lists the alarms that the chassis components can generate on an
M40 router.
Table 28: M40 Router Chassis Component Alarm Conditions
Alarm
SeverityRemedyAlarm Condition
Chassis
Component
--------------------Change the air filter.Change the air filter.Air filter
Copyright © 2012, Juniper Networks, Inc.76
M Series and T Series Routers Monitoring and Troubleshooting Guide