Operation sequence charts
B.4 EST3 System Operation Manual
Table B-6: Trouble Sequence - 3-LCD Display Response
EventØ
3-LCD DisplayÚ
Normal
First
Trouble
Trouble Queue
First Alarm
w/Active Trouble
Alarm Queue
Notes
Current Event
Window
Off Trouble message Alarm message Alarm has priority
Last Event Window Off Trouble message Alarm message Alarm has priority
Queue LED Off Flashes yellow Flashes red
Table B-7: Trouble Sequence - Common Feature Response
EventØ
3-LCD DisplayÚ
Normal First
Trouble
First Alarm
w/Active Trouble
Notes
Panel buzzer Off Sounds trouble Sounds alarm Alarm has priority
Panel Silenced LED Off Off Off
Yellow when local
buzzer silenced
3-CPU1 Trouble
Relay
On Off Off Relay powered in
normal state
3-CPU1 Alarm Relay Off Off On Remains on until
panel reset
Table B-8: Trouble Sequence - Annunciation
EventØ
3-LCD DisplayÚ
Normal First
Trouble
First Alarm
w/Active Trouble
Notes
Panel Zone LED Off On yellow On red
Remote Annunciator
Alarm Zone LED
Off On yellow Steady red Alarm has priority
if same LED is
also used to
annunciate trouble
Printers Ready Prints trouble
message
Prints alarm
message
Time, date, event
message, &
device data
History logger Ready Logs event Logs event Time, date, event
message, &
device data
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