Checking the Redundant Cooling System Status ! 541
Chapter 39: Monitoring Redundant Cooling System Components
Bottom Right Middle fan OK Spinning at normal speed
Bottom Right Rear fan OK Spinning at normal speed
Fourth Blower from top OK Spinning at normal speed
Bottom Blower OK Spinning at normal speed
Middle Blower OK Spinning at normal speed
Top Blower OK Spinning at normal speed
Second Blower from top OK Spinning at normal speed
What It Means 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. The status can be
OK, Testing (during initial power-on), Failed, or
Absent. Measurement indicates if the fan or impeller is spinning at normal or high
speed.
Checking the Redundant Cooling System Status
Action For more information about checking the status of cooling system components, see
“Checking the Cooling System Status” on page 267.
Checking the Redundant Cooling System Alarms
Action For more information about checking the cooling system alarms, see “Checking the
Cooling System Alarms” on page 269. For more information about conditions that
trigger cooling system alarms, see “Display the Current Router Alarms” on page 61.
Removing a Cooling System Component
For more information about removing or swap testing cooling system components,
see “Replacing a Cooling System Component” on page 273.
Returning Redundant Cooling System Components
Action To return a cooling system component, see “Return the Failed Component” on
page 86 or the appropriate router hardware guide.
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