Juniper EX4400 - Page 252

Table 84: Alarm Condions on EX4400 Switches (Connued)
Chassis
Component
Alarm Condion Alarm Severity Remedy
Mix of fan modules with
dierent airow direcons.
Major (red) Do not mix fan modules with dierent
direcons for the airow in the same chassis.
Mix of fan modules and
power supplies with
dierent airow direcons.
Major (red) Do not mix fan modules and power supplies
with dierent direcons for the airow in
the same chassis.
Power supplies A power supply is removed
from the chassis.
Major (red) Install a power supply in the empty slot.
The power supply is not
switched on.
Minor (yellow) Check the input connecon to the power
supply.
An unknown power supply
is installed.
Major (red) Install a power supply recommended by
Juniper Networks.
Mix of power supplies with
dierent airow direcons.
Major (red) Do not mix power supplies with dierent
airow direcons in the same chassis.
Mix of fan modules and
power supplies with
dierent airow direcons.
Major (red) Do not mix fan modules and power supplies
with dierent airow direcons in the same
chassis.
Temperature The temperature inside the
chassis reaches the yellow
alarm limit.
Minor (yellow)
• Check the fan.
• Open a support case using the Case
Manager link at hps://www.juniper.net/
support/ or 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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