LED Indicators

Operating Instructions

4.2 LED Indicators

The nine LED indicators, which are located on the front panel, operate as follows:

AC Power

This is a green LED which illuminates if AC power is applied to the FACP. A loss of

AC power will turn off this LED

Fire Alarm

This red LED flashes when one or more alarms occur. It illuminates steady when the Acknowledge/Step or Alarm Silence key is pressed. The Fire Alarm LED turns off when the Reset key is pressed. The LED will remain off if all alarms have been cleared.

Supervisory

This is a yellow LED that flashes when one or more supervisory conditions occur, such as a sprinkler valve tamper condition. It illuminates steady when the Acknowledge/Step or Alarm Silence key is pressed. It turns off when the Reset key is pressed and remains off if all supervisory alarms have been cleared.

Trouble

This is a yellow LED that flashes when one or more trouble conditions occur. It stays on steady when the Acknowledge/Step or Alarm Silence key is pressed. The LED turns off when all trouble conditions are cleared. This LED will also illuminate if the microprocessor watchdog circuit is activated.

Maintenance

This is a yellow LED that flashes to indicate that a smoke detector requires cleaning or replacement due to an invalid chamber reading or excessive drift.

Alarm Silenced

This is a yellow LED that turns on after the Alarm Silence key is pressed while an alarm condition exists. It turns off when the Drill or Reset key is pressed.

Disabled

This is a yellow LED that flashes to indicate that a zone, NAC, detector or module has been temporarily disabled in programming by the user.

Battery

This is a yellow LED that flashes to indicate a low battery voltage condition.

Ground

This is a yellow LED that flashes to indicate a ground fault condition (zero impedance from the FACP to ground).

Primary Line Active

This is a red LED that indicates the primary phone line is active.

Secondary Line Active

This is a red LED that indicates the secondary phone line is active

Kiss-off

This is a green LED 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

MS-9200UDLS PN 52750:A 11/04/05

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