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. 911 - User Page.
Message is phone number to call back.
Most severe conditions result in the administrator being paged. Under these circumstances, the screen should turn red. Click on the corresponding red dot for additional information about the condition. If a severe situation is occurring that is not being noticed by Big Brother, use the PAGE button on the main screen to page the administrator manually. The screen should turn yellow if this is the most severe situation at the time.