Step 2: Display Current Cooling System Alarms

For information that triggers cooling system alarms in each router type, see Gather Component Alarm Information. For fan alarms by router type, see Table 69.

Action

To display the current cooling system alarms, use the following CLI command:

user@host> show chassis alarms 

Sample Output

user@host> show chassis alarms

2 alarms currently active

Alarm time               Class  Description

2002-04-08 15:25:12 PDT  Major  Rear left fan stopped spinning

2002-04-08 15:25:12 PDT  Major  Rear left fan Failure

What It Means

The command output displays the current cooling system alarms, including the time and date stamp, severity level, and description. Table 69 shows the possible cooling system alarms for each router type. The alarm LCD short version appears on the craft interface LCD display. The alarm long version appears at the CLI when you use the show chassis alarms command.

Table 69: Cooling System Alarm Messages

Routing Platform	LCD Short Version	CLI Long Version
M5 and M10	N/A	fan-name stopped spinning
	N/A	fan-name removed
	N/A	Too few fans installed or working
M7i and M10i	N/A	fan-name stopped spinning
	N/A	fan-name removed
	N/A	Too few fans installed or working
M20	N/A	fan-name stopped spinning
	N/A	fan-name removed
	N/A	Too few fans installed or working
M40	fan-name FAIL	fan-name stopped spinning
	fan-name RMVD	fan-name removed
	Too few fans	Too few fans installed or working
M40e and M160	Fan Failure	RED ALARM - fan-name Failure
	Fan Removed	YELLOW ALARM - fan-name Removed
	Fans Missing	RED ALARM - Too many fans missing or failing
T320 and T640	Fan Failure	RED ALARM - fan-name Failure
	Fan Removed	YELLOW ALARM - fan-name Removed
	Fans Missing	RED ALARM - Too many fans missing or failing