System open circuits and short circuits

Action:

CAUTION: Do not operate the server for long periods with the access panel open or removed. Operating the server in this manner results in improper airflow and improper cooling that can lead to thermal damage.

Check the server LEDs to see if any statuses indicate the source of the problem. For LED information, refer to the server documentation.
Remove all power sources to the server.
Be sure no loose connections exist in the area.
Be sure each component in the area is working. Refer to the section for each component in this guide.

If you cannot determine the problem by checking the specific area, perform each of the following actions. Restart the server after each action to see if the problem has been corrected.

Reseat all I/O expansion boards.
Be sure no loose connections exist in the rest of the server, particularly with the cables that connect to the system board.
Be sure no foreign material exists, such as screws, bits, or slot bracket blanks, that may be short circuiting components.