Chassis Component Alarm Conditions On Ex4300 Switches - Juniper EX4300 Series Hardware Manual

Chassis Component Alarm Conditions on EX4300 Switches

This topic describes the chassis component alarm conditions on EX4300 switches.
Table 90 on page 322 lists the alarms that the chassis components can generate on EX4300 switches,
their severity levels, and the actions you can take to respond to them.
Table 90: Chassis Component Alarm Conditions on EX4300 Switches
Chassis Component Alarm Condition
Power supplies A power supply has
been removed from
the chassis.
A power supply
output has failed.
A power supply has
failed.
An unknown power
supply is installed.
Mix of power
supplies with
different airflow
directions.
Mix of fan modules
and power supplies
with different
airflow directions.
Fan modules Fan module is not
installed.
A fan module has
failed.
Alarm Severity Remedy
Minor (yellow Install a power supply in the empty slot.
or amber)
Major (red) Check power supply output connection.
Major (red) Replace the failed power supply.
Major (red) Install a power supply recommended by Juniper
Networks.
Major (red) Do not mix power supplies with different
directions for the airflow in the same chassis.
Major (red) Do not mix fan modules and power supplies
with different directions for the airflow in the
same chassis.
Major (red) Install the fan module.
Major (red) Replace the fan module.
322