Emergency Command Center Manual — P/N LS10001-000FL-E:D 9/3/2014 89
Operation Operating Instructions
4.4.12 Alarm/Alert Restoral, System Configured for Combo
Fire/Mass Notification with Mass Notification Priority
If the restoral is for a fire alarm only under this configuration then the system will respond as in
Section 4.4.4 above.
If the restoral is for a mass notification alarm/alert only under this configuration then the system
will respond as in Section 4.4.8 above.
If the restoral is for a fire alarm that was over ridden by a currently active mass notification
alarm/event then the system will:
• Continue playing the current mass notification message
• Turn the “Fire System Active” LED off
4.4.13 Trouble Condition Response
Upon detection of any trouble condition the system will:
• Activate (de-energize) the trouble relay
• Turn the local sounder on
• Turn the system trouble LED on
• Open command input 1 (CMD1) only if command input 1 is not in the alarm state
• Store the event in the history log
The following will occur on the display for more specific indication.
• For speaker circuit faults, the appropriate speaker zone fault LED(s) turns on steady
• For message faults, the appropriate message fault LED(s) turns on steady
• For a microphone fault, the microphone fault LED turns on steady
• For AC loss the AC power LED turns off, the AC loss and system trouble relays activate
(de-energize) (after a programmable time out).
• For a earth ground fault, the ground fault LED turns on steady
• For a battery charger fault, the battery charger fault LED turns on steady
• For a battery voltage fault, the battery fault LED turns on steady
• For a fault on the data bus to peripheral consoles, the data bus fault LED turns on steady
• For an onboard NAC fault, the NAC fault LED turns on steady
• For an audio riser fault, the audio riser fault LED turns on steady
• For a peripheral console fault, the associated peripheral console fault LED turns on steady
• For a distributed amplifier fault, the associated distributed fault LED turns on steady
For distributed amplifier faults, the following will occur on the display when the operator uses the
DIAGNOSTIC button to select a distributed amplifier for more specific indication.
• For a power fault, the AC power LED turns off
• For a ground fault, the ground fault LED turns on steady
• For a battery charger fault, the battery charger fault LED turns on steady
• For a battery voltage fault, the battery fault LED turns on steady
• For a fault on the data bus to peripheral consoles, the data bus fault LED turns on steady
The following will occur on the main control board for more specific indication.
• For speaker volume control fault, the speaker volume control fault LED(s) turns on steady
• For an amplifier over current fault, the amplifier over current fault LED turns on steady and
all associated speaker circuit fault LEDs turn on steady
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