Juniper EX4500 Hardware Manual page 244

Table 63: 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 (red) Check the fan.
Replace the faulty fan tray.
If the above two checks show no problems, open a
support case using the Case Manager link at
https://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 (red) Open a support case using the Case Manager link at
https://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 (red) Open a support case using the Case Manager link at
https://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 (red) Check the fan.
Replace the faulty fan tray.
If the above two checks show no problems, open a
support case using the Case Manager link at
https://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).
244
or call
or call
or call
or call