Ravel RE-2504 Installation, Commissioning & Operating User Manual page 55

SILENCED: This LED will glow when the silence key is pressed in fire
condition only.
NAC FAULT: Whenever there is any fault in Notification Appliances
Circuits like NAC loop Open / Short / Earth fault, it will be identified by
COMMON NAC FAULT LED. The LCD Display as shown in the figure 22,
'NAC # Fault' will be displayed in fault screen.
WALK TEST: The Walk test and zone disable LED will glow whenever the
zones are under walk test mode.
COMMUN. FAULT: The Communication Fault LED is used for factory
testing.
FIRE: This twin fire LED will glow when any one or more of the zones
are in fire condition.
SUPERVISORY: This supervisory LED will glow when any one or more of
the zones are in supervisory condition.
FAULT: This fault LED will glow when any one or more of the zones are
in fault condition.
ZONE FIRE: This fire LED will glow when the zones are fire condition.
The first fired zone continuously in blink and other zone fire LED will
glow steadily in fire condition. The fired zone is displayed in the LCD,
first fire zone and total no. of zone is displayed separately.
ZONE SUPERVISORY: The zone supervisory LED is illumination indicates
that the particular Zone is selected as Supervisory zone (Contact
Zone). During supervisory fault condition the same LED starts blinking.
ZONE FAULT: This fault LED will glow when there is an open or short or
earth fault in that particular zone.
ZONE DISABLE/W.T: This zone wise LED glows steadily in disabled
condition and blinking in the Walk test mode.
RE / DD / UM / 2508 V1.2- 01
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