Displays fan status information.
Privileged EXEC mode
The show environment fan command displays the following information:
| Output field | Description |
|---|---|
| OK | Fan is functioning correctly at the displayed speed (RPM). |
| absent | Fan is not present. |
| below minimum | Fan is present but rotating too slowly or stopped. |
| above maximum | Fan is rotating too quickly. |
| unknown | Unknown fan unit installed. |
| faulty | Fan has exceeded hardware tolerance and has stopped. In this case, the last known fan speed is displayed. |
| Airflow direction | Port side intake or Port side exhaust. This value is not applicable to modular chassis. |
| speed | Fan RPM. |
The following example displays fan status information:
device# show environment fan Fan 1 is Ok, speed is 4243 RPM Fan 2 is Ok, speed is 4249 RPM Fan 3 is Ok, speed is 4402 RPM