CPU load average is unacceptably high. 300 - Process Error. An important processes has died. 400 - Message file contains a serious error. 500 - Network error, can't connect to that IP address.
Message is phone number to call back.
Most severe conditions result in the administrator being notified. Under these circumstances, the screen should turn red. Click on the corresponding red dot for additional information about the condition. The screen should turn yellow if this is the most severe situation at the time. Click on the corresponding yellow dot for additional information, and notify the administrator manually if necessary.