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Operation
February 2012
4-6
P/N 06-237058-001
4-6
STATUS-INDICATING LEDS
Table 4-3 lists the names and functions of the System Status LEDs on the display.
Table 4-3. System Status LEDs and Functions
LED
COLOR
FUNCTION
Power On
Green
A steady LED indicates primary AC power is on at acceptable levels.
An unlit LED indicates unacceptable AC power levels or AC power is disconnected.
Alarm
Red
A flashing LED indicates one or more unacknowledged alarm events.
A steady LED indicates all alarm events.
The LED turns off when the control unit is reset if all current alarm event messages
have been acknowledged and none of the alarm-initiating devices are reporting
alarms.
Pre-Alarm
Yellow
A flashing LED indicates unacknowledged pre-alarm events.
A steady LED indicates all current pre-alarm events have been acknowledged.
The LED turns off when the control unit receives pre-alarm-off messages from all
alarm-initiating devices that had reported a pre-alarm.
Supervisory
Yellow
A flashing LED indicates one or more unacknowledged supervisory events.
A steady LED indicates all supervisory events have been acknowledged.
The LED turns off when the control unit receives supervisory-off messages from all
initiating devices that had reported supervisory conditions.
System
Trouble
Yellow
A flashing LED indicates unacknowledged trouble events.
A steady LED indicates all trouble events have been acknowledged.
The LED turns off when the control unit receives trouble-off messages from all SLC
or control-unit monitoring circuitry that had reported trouble conditions.
Signal
Silenced
Yellow
A steady LED indicates the <SIGNAL SILENCE> Key has been pressed after all
current alarm events have been acknowledged.
The LED turns off when 1) the control unit is reset, or 2) the <SIGNAL SILENCE>
key is pressed to toggle on any previously-silenced NACs and SLC-based modules.
The <SIGNAL SILENCE> key will repeatedly toggle the NACs and SLC-based
modules off and on and the Signal Silenced LED will track the activation state of
the NACs and modules until the control unit is reset.
Ground Fault
Yellow
A steady LED indicates a Ground Fault has occurred in some circuit on the ARIES
NET
Link
system. A Ground Fault condition will automatically cause the System
Trouble LED to light and flash. The circuit with the wiring problem can be
identified through the system menus. When the condition is resolved, either on its
own or by installer intervention, the Ground Fault LED will extinguish. The control
unit can then be reset to return to Normal operation.
Summary of Contents for ARIES NETLink
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