display fan

Function

The display fan command displays the fan status.

Format

display fan

Parameters

None

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Devices can run properly when fans are working properly. If proper heat dissipation cannot be ensured for devices, devices may overheat, damaging the hardware. You can use the display fan command to view the fan status.

Different device models may support different numbers of fans.

Example

# Display the fan status of the device.

<HUAWEI> display fan
----------------------------------------------------------------------------------------- 
 Slot  FanID   Online    Status    Speed     Mode     Airflow         Auto Min-Speed     
-----------------------------------------------------------------------------------------                    
 0         1   Absent    -             -      -        -                          0% 
 0         2   Present   Normal     100%      AUTO     Side-to-Side              20%     
 0         3   Absent    -             -      -        -                          0%

**Table 1** Description of the **display fan** command output
Item	Description
Slot	Slot ID.
FAN	Number of a fan.
Online	Whether a fan is available: Present: available Absent: unavailable
Status	Running status of a fan: Normal: The fan is running normally. Abnormal: The fan works abnormally. -: The fan is not present.
Speed	Percentage of the current fan speed to the full speed. If this field displays -, the fan is not present.
Mode	Working mode of a fan: AUTO: The fan speed can be automatically adjusted. MANUAL: The fan works at a fixed speed. -: The fan is not present.
Airflow	Airflow direction of a fan: Back-to-Side: Air flows from the rear to the left and right sides. Side-to-Back: Air flows from the left and right sides to the rear. Side-to-Side: Air flows from one side to the other side. Front-to-Back: Air flows from the front to the rear. -: The fan is not present.
Auto Min-Speed	Minimum fan speed in automatic fan speed adjustment mode. To configure the minimum fan speed in automatic fan speed adjustment mode, run the set fan speed auto min-speed command. If this field displays -, this command is not supported.