System Faults - Talkaphone AOR-24 Installation Manual

IX.

System Faults

1. Fault Condition:
a. Audible Indicator – When any open, short, or system ground fault occurs, a steady
2,300 Hz tone at 85db will be emitted from the system.
b. Visual Indicator for Opens – When an open occurs on an AOR-CSE Station cable run,
the respective TROUBLE LED(s) will solidly illuminate on the Command Unit panel
indicating the specific port(s) or station location(s) with the fault.
c. Visual Indicator for Shorts – When a short occurs on an AOR-CSE Station cable run,
both the respective TROUBLE LED(s) and the STATION STATUS LED(s) will solidly
illuminate on the Command Unit panel indicating the specific port(s) or station location(s)
with the fault.
d. Visual Indicator for System Ground Fault – When a system ground fault occurs at the
Command Unit, all TROUBLE LEDs will flash simultaneously on the Command Unit
panel.
2. Correcting Faults:
a. Opens/Shorts on an AOR-CSE Station Cable Run – Check cable for continuity and
repair or replace cable.
b. System Ground Faults – Check the Command Unit for proper electrical grounding and
correct any ground loops.
3. Resetting Fault Condition:
When any faults have been corrected, press the TROUBLE RESET button to silence the
audible alarm and to clear any will be silenced and any corrected faults will have their
corresponding indicator turned off.
4. Temporarily Silencing a Fault Condition:
Press the TROUBLE RESET button to silence the audible fault indicator. The audible alarm
will be temporarily silenced for 24 hours.
The LED fault indicators will remain in their trouble condition until the faults have been fully
corrected.
5. Primary Power Loss:
When the system loses primary power and begins to run on battery backup, the AC POWER
FAULT LED will solidly illuminate on the Command Unit panel.
Restoring primary power will reset this fault indicator LED.
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Area of Rescue Command Unit
Installation Guide
Model AOR-24 / Model AOR-32
Product Revision 2.0
Rev. 3/8/2022