Table of Contents
Advertisement
Operating Instructions
4.2 Status Indicators and LEDs
The five status indicators which are located on the front panel and the three LEDs located on the
main circuit board, operate as follows:
AC Power
AC Power indicator illuminates green if AC power is applied to the FACP. A loss of AC power will
turn off this indicator.
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
supervisory 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
148
MS-9050UD PN 52413:C 01/23/08
Advertisement
Table of Contents
