Monitoring the SRX240 Services Gateway Using Chassis Alarm Conditions

When the services gateway detects an alarm condition, the Alarm LED on the front panel turns red or yellow as appropriate.

To view a more detailed description of the cause of the alarm, issue the show chassis alarms CLI command.

For more information about the show chassis alarms command, see the following guides:

Table 33 describes the chassis alarm indications and the required corrective actions.

Table 33: SRX240 Services Gateway Chassis Alarm Conditions and Corrective Actions


Alarm Condition


Alarm Severity

Boot media

The services gateway boots from an alternate boot device.

  • If the internal flash memory fails at startup, the services gateway automatically boots itself from the alternative boot device (USB storage device).

    Note: If you configured your services gateway to boot from an alternative boot device, ignore this alarm condition.

  • Reformat the internal flash memory and install a bootable image. (See the Junos OS Administration Guide for Security Devices.)
  • If you did not configure the services gateway to boot from an alternative boot device, contact Juniper Networks Technical Assistance Center (JTAC). See Juniper Networks Technical Assistance Center.

Yellow (minor)

Mini-Physical Interface Module (Mini-PIM)

A Mini-PIM has failed.

  • Contact JTAC. See Juniper Networks Technical Assistance Center.
  • If you must replace the failed Mini-PIM, see the SRX Series Services Gateways for the Branch Physical Interface Modules Hardware Guide for information about replacing the Mini-PIMs.

Red (major)

Hardware components on the services gateway

The services gateway chassis temperature is too high.

Yellow (minor)

The services gateway fan has failed.

Red (major)

The services gateway temperature is too high, either because of an internal overheating condition or because the maximum recommended room temperature has been exceeded.

The services gateway shuts down automatically in 4 minutes.

Red (major)

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