This is PowerEdge T610

Today we got a loud sound on the server, the fans were making a big sound like a plane, and the light on the display was blinking (dark blue) with no error message only show me the service tag ST XXXXXX.

At this moment it looks normal no sound, and I was checking the display and pressing the status to find any error but, didn't find error messages and the light is not blinking anymore, it's solid again(dark blue).

Could you please let me know what could be the issue, and if is this a normal behavior or is there something to take care of ?

Thanks for your response