1. Enter the system panel: press the "System Panel" button on the server panel to enter the system panel.
2. Navigate to the "HealthStatus" screen: use the arrow keys to move the cursor to the "HealthStatus" option, and then press the "Enter" key.
3. Check the fan status: On the "HealthStatus" screen, you should be able to see the running status of the fan. If there is a problem with the fan, it may be displayed as "faulty" or "degraded".
4. Check the fan details: If you need more detailed fan information, you can navigate to the "Fan Information" screen and check the speed and health status of each fan.