TSA-1000
© 2008
–
2012 Telefire Fire & Gas Detectors Ltd
Revision 1.12
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– Page 29 of 29 –
LED
Its Color and meaning
(EN 54 / CP 10 version)
Its Color and meaning (UL 864
/ IS 1220 version)
Power
Green LED. Indicates the
presence of AC input or battery.
•
Always on in normal
operation
•
Flashes when there is no
main power.
Green LED. Indicates the
presence of input power (AC or
battery).
•
Always ON in normal
operation
•
Flashes when there is no
main power until
Acknowledge
key is
depressed. Additionally
there will be additional
warning in the digital
display. Pressing the
Acknowledge
key will turn
the LED off
Trouble
Yellow LED. Indicates a fault in
the system or one of the devices
that are connected to it.
•
Off during normal operation
•
Indicates a fault event or
one of the connected
devices – see additional
yellow LEDs and the digital
display for addition display.
Yellow LED. Indicates a fault
event or one of the connected
devices – see additional yellow
LEDs and the digital display for
addition display.
•
Off during normal operation
•
Flashes to indicate a fault
event or one of the
connected devices – see
additional yellow LEDs and
the digital display for
addition display. Pressing
Acknowledge
will turn the
LED ON until resolution of
the problem
System Fault
Yellow LED. Indicates a hung
processor.
•
Off during normal operation
•
ON when the processor
hangs
Yellow LED. Indicates a hung
processor.
•
Off during normal operation
•
ON when the processor
hangs
PS Fault
Yellow LED. Indicates a power
fault (loss of AC power;
Disconnected battery; Weak
battery)
•
Off during normal operation
•
ON when there is a power
supply fault
Yellow LED. Indicates a power
fault (loss of AC power;
Disconnected battery; Weak
battery)
•
Off during normal operation
•
Flashes to indicate a
ground fault. Pressing
Acknowledge
will turn the
LED ON until resolution of
the problem
