3 normal operation, Normal operation – Fire-Lite MS-9050UDC Addressable Fire Alarm Control Panel User Manual
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MS-9050 Series Manual — P/N 52413:G 4/14/2014
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Normal Operation
Operating Instructions
Fire Alarm
Fire Alarm indicator flashes red when one or more alarms occur. It illuminates steady when the
Acknowledge/Step or Alarm Silence button is pressed. The Fire Alarm indicator turns off when the
Reset button is pressed. The indicator will remain off if all alarms have been cleared.
Supervisory
Supervisory indicator flashes yellow when one or more supervisory conditions occur, such as a
sprinkler valve tamper condition. It illuminates steady when the Acknowledge/Step or Alarm
Silence button is pressed. It turns off when the Reset button is pressed and remains off if all super-
visory alarms have been cleared.
Trouble
Trouble indicator flashes yellow when one or more trouble conditions occur. It stays on steady
when the Acknowledge/Step or Alarm Silence button is pressed. The indicator turns off when all
trouble conditions are cleared. This indicator will also illuminate if the microprocessor watchdog
circuit is activated.
Alarm Silenced
Alarm Silenced indicator illuminates yellow after the Alarm Silence button is pressed while an
alarm condition exists. It turns off when the Drill or Reset button is pressed.
Primary Line Active
This is a red LED, located on the main circuit board, that indicates the primary phone line is active.
Secondary Line Active
This is a red LED, located on the main circuit board, that indicates the secondary phone line is
active
Kiss-off
This is a green LED, located on the main circuit board, that blinks when a Central Station has
acknowledged receipt of each transmitted message or when a portion of upload or download data
has been accepted from a Service Terminal
4.3 Normal Operation
With no alarms or troubles in the system, the display message is System All Normal along with the
current time and date as shown below. To set the time and date, refer to the appropriate section in
this manual.
The MS-9050UD performs the following functions at regular intervals while in Normal mode:
Monitors AC input voltage and battery voltage
Monitors and reports status of SLC loop, option cards and control panel
Polls all devices on the SLC loop and flashes each device LED while checking for valid
replies, alarms, troubles, etc.
Refreshes LCD display and updates time
Scans control panel keypad for key presses
Performs autotest for all SLC devices
Tests memory
Updates and reads all communication busses (EIA-485, EIA-232, etc.)
SYSTEM ALL NORMAL
10:00A 100913