Checking The Cooling System Alarms; Check The Alarm Indicators On The Craft Interface - Juniper M Series Monitoring And Troubleshooting Manual

Meaning
Related
Documentation

Checking the Cooling System Alarms

Check the Alarm Indicators on the Craft Interface

Purpose
Action
Sample Output
Meaning
Copyright © 2012, Juniper Networks, Inc.
Fan Tray 2 Fan 4
Fan Tray 2 Fan 5
Fan Tray 2 Fan 6
Fan Tray 2 Fan 7
Fan Tray 2 Fan 8
The command output shows the fans, impellers, or blowers monitored for the router
type. The command output displays the fan, impeller, or blower status and the spinning
speed. Measurement indicates if the fan or impeller is spinning at normal or high speed.
Checklist for Monitoring the Cooling System on page 317
For a listing of cooling system alarm conditions, remedy, and alarm severity by routing
platform type, see "Display the Current Routing Engine Alarms" on page
To check for cooling system alarms:
Check the Alarm Indicators on the Craft Interface on page 345
1.
2. Display Current Cooling System Alarms on page 346
Display Cooling System Error Messages in the System Log File on page 348
3.
To check the alarm indicators on the craft interface for cooling system alarms.
To check the craft interface alarm indicators, use the following command:
user@host> show chassis craft-interface
user@host> show chassis craft-interface
Status Measurement
Red alarm: LED on, relay on
Yellow alarm: LED off, relay off
Host OK LED: On
Host fail LED: Off
[...Output truncated...]
LCD screen:
+--------------------+
|myrouter
|2 Alarms active
|R: Fan Failure
|R: Fan Removed
+--------------------+
The command output displays the alarm indicator status. The alarm indicators can be
either or . If an indicator is on, an alarm has occurred. The command output also
On Off
displays the active alarms on the craft interface LCD display. To list the current alarms,
use the show chassis alarms
Chapter 11: Monitoring the Cooling System
OK 3390 Spinning at normal speed
OK 3450 Spinning at normal speed
OK 3360 Spinning at normal speed
OK 3390 Spinning at normal speed
OK 3420 Spinning at normal speed
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command.
202.
345