Juniper EX4500 Hardware Manual page 260

EX4500 Switch Hardware Guide
238
Table 65: Chassis Component Alarm Conditions on EX4500
Switches (continued)
Chassis
Component Alarm Condition
Fan tray Fan tray is not
installed.
One fan in the
chassis is not
spinning or is
spinning at below
the required speed.
The power supply
and the fans have
different airflow
directions.
The fans in the fan
tray have different
airflow directions.
Fan tray failure–i2c
read failure
Alarm
Severity Remedy
Minor Install the fan tray.
(yellow)
Major Check the fan.
(red)
Replace the faulty fan tray.
If the above two checks show no
problems, open a support case using the
Case Manager link at
http://www.juniper.net/support/
call 1-888-314-5822 (toll-free within the
United States and Canada) or
1-408-745-9500 (from outside the
United States).
Major Open a support case using the Case
(red) Manager link at
http://www.juniper.net/support/
1-888-314-5822 (toll-free within the United
States and Canada) or 1-408-745-9500
(from outside the United States).
Major Open a support case using the Case
(red) Manager link at
http://www.juniper.net/support/
1-888-314-5822 (toll-free within the United
States and Canada) or 1-408-745-9500
(from outside the United States).
Major Check the fan.
(red)
Replace the faulty fan tray.
If the above two checks show no
problems, open a support case using the
Case Manager link at
http://www.juniper.net/support/
call 1-888-314-5822 (toll-free within the
United States and Canada) or
1-408-745-9500 (from outside the
United States).
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