Operating panel devices
2.4 EST2 System Operations Manual
Reading status LEDs
The 2-LCD contains nine light emitting diodes (LEDs) which
indicate the status of the fire alarm control panel.
Table 2-1: LEDs
LED Description
AC Power Indicates mains ac is applied to the panel
Alarm Indicates an active alarm point in the system
Supervisory Indicates an active supervisory point
Trouble Indicates an active trouble condition
Monitor Indicates an active monitor point
Disable Indicates one or more zones are disabled
GND Fault Indicates a ground fault exists
CPU Fail Indicates a failure in the main controller module
Test Indicates that the panel is in test mode
User-defined Site-specific programmed option
Operating control switches
The 2-LCD provides four switches for executing common
controls and one user-definable switch.
Table 2-2: Control switches
Control Switch Description
Reset When pressed, the Reset switch returns the panel to normal standby
operation. The Reset switch also features an integral LED. When lit, the
LED indicates that the panel is resetting. When flashing, the LED indicates
that the Reset switch is inhibited.
Note: The cause of any off-normal condition must be identified and
restored to normal before the panel will reset. Site-specific programming
may prevent the operation of this switch for 1 or 3 minutes after the first
alarm is received.
Reset inhibit (check one): __none __1 minute __3 minutes
Local Silence When pressed, the Local Silence switch quiets the panel buzzer. The
Local Silence switch also features an integral LED. When lit, the LED
indicates that the panel is in local silence mode.
Note: Upon receipt of a new alarm, trouble, or supervisory condition, the
controller will exit the local silence mode and resound the panel buzzer.
To Next Page
Loading...
