Chassis Component Alarm Conditions on QFX5120 Switches

This topic describes the chassis component alarm conditions on QFX5120 switches.

Table 1 lists the alarms that the chassis components can generate on QFX5120 switches, their severity levels, and the actions you can take to respond to them.

Table 1: Chassis Component Alarm Conditions on QFX5120 Switches

Chassis Component	Alarm Condition	Alarm Severity	Remedy
Power supplies	A power supply is removed from the chassis.	Major (red)	Install a power supply in the empty slot.
	A power supply output has failed.	Major (red)	Check the power supply output connection.
	A power supply has failed.	Major (red)	Replace the failed power supply.
	An unknown power supply is installed.	Major (red)	Install a power supply recommended by Juniper Networks.
	Mix of power supplies with different airflow directions.	Major (red)	Do not mix power supplies with different directions for the airflow in the same chassis.
Fan modules	Fan module is not installed.	Major (red)	Install the fan module.
	A fan module has failed.	Major (red)	Replace the fan module.
	Mix of fan modules with different airflow directions.	Major (red)	Do not mix fan modules with different directions for the airflow in the same chassis.
Temperature	The temperature inside the chassis reaches the yellow or amber alarm limit.	Minor (yellow or amber)	Check the fan. Open a support case using the Case Manager link at https://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).
Temperature	The temperature inside the chassis reaches the red alarm limit.	Major (red)	Check the fan. Open a support case using the Case Manager link at https://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).
Management Ethernet interface	Management Ethernet link is down	Major (red)	Check whether a cable is connected to the management Ethernet interface, or whether the cable is defective. Replace the cable if required. If you are unable to resolve the problem, open a support case using the Case Manager link at https://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).
Routing Engine	Rescue configuration is not set.	Minor (yellow or amber)	Use the request system configuration rescue save command to set the rescue configuration.
Routing Engine	Feature usage requires a license or the license for the feature usage has expired.	Minor (yellow or amber)	Install the required license for the feature specified in the alarm.