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    Chassis Component Alarm Conditions on EX4550 Switches

    This topic describes the chassis component alarm conditions on EX4550 switches.

    Table 1 lists the alarms that the chassis components can generate on EX4550 switches.

    Table 1: Chassis Component Alarm Conditions on EX4550 Switches

    Chassis Component

    Alarm Condition

    Remedy

    Alarm Severity

    Power supplies

    A power supply has been removed from the chassis.

    Insert power supply into empty slot.

    Yellow

    An unknown power supply is installed.

    Install a Juniper networks recommended power supply.

    Yellow

    The power supply is offline or the power supply output has failed.

    Open a support case using the Case Manager link at http://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).

    Red

    Fan module

    A fan module has been removed from the chassis.

    Install missing fan module.

    Red

    Fan failure – i2c read failure

    • Check the fan.
    • Replace the fan module.
    • Open a support case using the Case Manager link at http://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).

    Red

    One fan in the chassis is not spinning or is spinning below required speed.

    • Check the fan.
    • Replace the fan module.
    • If required, open a support case using the Case Manager link at http://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).

    Red

    Mix of fan modules with different airflow directions.

    Open a support case using the Case Manager link at http://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).

    Red

    Mix of fan modules and power supplies with different airflow directions.

    Open a support case using the Case Manager link at http://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).

    Red

    Temperature

    The temperature inside the chassis has exceeded the red alarm limit.

    • Check the fan.
    • Open a support case using the Case Manager link at http://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).

    Red

    The temperature inside the chassis has exceeded the yellow alarm limit.

    • Check the fan.
    • Open a support case using the Case Manager link at http://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).

    Yellow

    The temperature sensor has failed.

    Open a support case using the Case Manager link at http://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).

    Red

    Media

    Device booted from backup root

    Open a support case using the Case Manager link at http://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).

    Yellow

    /var or /config full (only 10% free)

    Open a support case using the Case Manager link at http://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).

    Red

    /var or /config full (only 25% free)

    Open a support case using the Case Manager link at http://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).

    Yellow

    Upgrade bank is empty or corrupted.

    Open a support case using the Case Manager link at http://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).

    Red

    Firmware version is not latest.

    Open a support case using the Case Manager link at http://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).

    Yellow

    ECC single bit error detected.

    Open a support case using the Case Manager link at http://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).

    Red

    Management link down

    Configure and bring up management interface.

    Red

    Modified: 2016-07-12