Chapter 3: System operation
P/N 3102352-EN • REV 005 • ISS 28DEC18 143
• If the condition causing an “Alarm Active” condition has not cleared (smoke is still present
in detector chamber, pull station was not reset, etc.) the panel remains in an alarm state
after resetting and the NACs and other outputs do not reactivate.
• Disabled devices and zones remain disabled after the panel is reset.
• Resetting the panel does not log off user level one or user level two access.
Silencing panel and annunciator buzzers
The panel buzzer sounds whenever an event message is received at the control panel.
Pressing the Ack/Panel Silence button:
• Silences the buzzer on the control panel and all remote annunciators.
• Acknowledges all current event messages.
• Silences the panel buzzer on all remote annunciators. If more than one event is queued,
the LCD displays event 001.
To silence the buzzer:
1. Determine what event caused the buzzer to sound by pressing Enter to view the event
details. This displays the loop number, device address, and a detailed description of the
event type
2. Press the Ack/Panel Silence button on the panel, or the Ack/Silence button on any remote
annunciator.
Silencing notification appliances
WARNING: Do not silence notification appliances until the building is fully evacuated and the
cause of the alarm has been determined.
To silence or resound notification appliances:
1. Press the Signal Silence button.
Silencing NACs manually
Pressing the Signal Silence button turns off all silenceable NACs unless activated by a
waterflow device or waterflow zone. Depending on system programming, some audible or
visible notification appliances may not turn off when the Signal Silence button is pressed. If a
signal silence inhibit was programmed, then pressing the Signal Silence button will not work
until the reset inhibit timer expires. See “What is in-suite signal silence?” on page 38.
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