Figure 6. LED indications
ICON / LED DESCRIPTION
ON System armed
OFF System not armed
(red)
Flashing System in alarm
ON System Ready to arm
OFF System Not Ready to arm
(green)
Flashing System Ready to Force arm
ON Fire alarm
OFF Normal
(red)
Flashing Fire trouble
ON Mains and battery ok
OFF Mains trouble
(green)
Flashing Battery trouble
ON Zone bypassed
OFF Normal
Flashing slow Zone in alarm / Zone open
Zone 1 .. 8
(green)
Flashing fast Zone tamper
Notes:
• During a fire alarm, the Fire LED is ON and the NX-1750 ProxPad buzzer sounds. Badging any
valid card silences the buzzer. To clear the Fire LED indication, badge and hold the card in
front of the reader. After the fourth beep, the Fire LED is cleared.
• When the communication with the control panel fails, the Fire LED flashes. Typically this is
caused by a fault in the databus wiring, e.g. loose databus wire.
• When service is required (e.g. a system trouble condition exists), all four top LEDs flashes
ON/OFF once every 2.5 seconds.
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