Troubleshooting The T320 Host Subsystem; Table 68: T320 Host Subsystem Alarm Messages - Juniper Core Router T Series Hardware Manual

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Troubleshooting the T320 Host Subsystem

Problem
Solution

Table 68: T320 Host Subsystem Alarm Messages

Alarm Type LCD Display Message
Red Host host-number Removed
Copyright © 2018, Juniper Networks, Inc.
Maintaining the T320 Air Filters on page 274
Maintaining the T320 Fan Trays on page 275
Replacing a T320 Fan Tray on page 199
Replacing a T320 Air Filter on page 193
Overview of Troubleshooting Resources for the T320 Router on page 291
T320 Alarm Messages Overview on page 293
Contacting Customer Support on page 309
Description:
During normal operations:
The green host subsystem
The red host subsystem
The following alarms and LEDs indicate a problem with a host subsystem control board
or Routing Engine:
The red host subsystem
The green host subsystem
A red alarm indicates that the host subsystem has been removed.
A yellow alarm indicates that the host subsystem has failed.
To troubleshoot the T640 host subsystems:
Check the LEDs on the faceplate of each control board and Routing engine.
1.
Check the LEDs on the craft interface.
2.
Use the CLI to check for alarms—Issue the
3.
alarms.
In Table 68 on page 299, the text in the column labeled "LCD Message" appears in the
display of the craft interface. The text in the column labeled "CLI Message" appears in
the output from the
show chassis alarms
LED on the craft interface is lit.
OK
LED on the craft interface is not lit.
FAIL
FAIL LED on the craft interface is lit.
LED on the craft interface is not lit.
OK
show chassis alarms
command.
CLI Message
Host host-number Removed
Chapter 32: Troubleshooting Components
command to view the
299