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Troubleshooting the SRX5400 Services Gateway with the Component LEDs
The following LEDs are located on various services gateway components and display
the status of those components:
•
Card LED—One LED labeled
OK/FAIL
on each card in the card cage indicates the card’s
status.
•
MIC LED—One LED labeled
OK/FAIL
on the faceplate of each MIC installed in an MPC
indicates the MIC's status.
•
SCB LEDs—Three LEDs, labeled
FABRIC ACTIVE
,
FABRIC ONLY
, and
OK/FAIL
, on each
SCB faceplate indicate the status of the SCB. If no LEDs are lit, the master Routing
Engine might still be booting, or the SCB is not receiving power.
•
Routing Engine LEDs—Four LEDs, labeled
MASTER
,
HDD
,
ONLINE
, and
FAIL
on the
Routing Engine faceplate indicate the status of the Routing Engine and hard disk drive.
•
Power supply LEDs—Three or four LEDs on each power supply faceplate indicate the
status of that power supply.
Related
Documentation
Troubleshooting the SRX5400 Services Gateway with the Junos OS CLI on page 219
•
•
Troubleshooting the SRX5400 Services Gateway with Chassis and Interface Alarm
Messages on page 220
•
Troubleshooting the SRX5400 Services Gateway with Alarm Relay Contacts on page 228
•
Troubleshooting the SRX5400 Services Gateway with the Craft Interface LEDs on
page 229
Troubleshooting the SRX5400 Services Gateway Cooling System
Problem
Description:
The fans in a fan tray are not functioning normally.
Solution
Follow these guidelines to troubleshoot the fans:
•
Check the fan LEDs and alarm LEDs on the craft interface.
•
If the major alarm LED on the craft interface lights, use the CLI to get information about
the source of an alarm condition:
user@host> show chassis alarms
.
If the CLI output lists only one fan failure, and the other fans are functioning normally,
the fan is most likely faulty and you must replace the fan tray.
•
Place your hand near the exhaust vents at the side of the chassis to determine whether
the fans are pushing air out of the chassis.
•
If the fan tray is removed, a minor alarm and a major alarm occur.
•
The following conditions automatically cause the fans to run at full speed and also
trigger the indicated alarm:
•
A fan fails (major alarm).
Copyright © 2017, Juniper Networks, Inc.
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SRX5400 Services Gateway Hardware Guide
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