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15
LED
INDICATORS
The front of the NCP has 1 common fire, 3
internal fault, and 13 individual LED indicators
on the front divided in three sections to
indicate general functions, fire alarm and the
extinguishing status. Under normal state,
control panel will have only the green, Power
LED lite and either the Manual Only or
Automatic and Manual LED lite. The yellow
fault LEDS automatically turn off when the
cause of the fault is recovered.
15.1
M
ANUAL RELEASE ONLY
When the yellow "manual mode only" LED lit, the extinguishing agent is not released by automatic
fire detectors, but
only
by manual operation.
15.2
A
UTOMATIC
&
MANUAL RELEASE
When the yellow LED "automatic and manual mode" is on, the extinguishing agent is released by the
automatic fire detectors
and/or
manual operation.
15.3
P
OWER
(
PSU
1
IS MAINS
PSU
2
IS BACKUP
)
Under normal conditions the NCP will have only the green, power on LED lit and either the manual
only or automatic & manual LED lit. Failure of the mains power or disconnection of the backup power
will cause a fault. The power LED lite differently, indicating an abnormality in the power supply to the
NCP. When starting the NMS after a power failure or an extinguishers release, the green power LED
flashes for maximal 1 minute until the system is ready and this LED lit continuously.
If the
mains
power supply is NOT present, the secondary power supply takes it over, the power LED
flashes 1 x per second, the yellow general fault LED lit, the common fault relay will be deactivated.
If the
standby
power supply is NOT present, the power LED flashes 2 x per second followed by a pause
of 1 second, then repeating, the general fault and internal battery fault LED lit, the common fault
relay is deactivated.
If a
standby power source is not available
, then the connection points 17/18 must be connected to
respectively point 14/15 to avoid an fault message.
When the
vehicle function (PDS2)
is enabled, the green power LED flashes at a frequency of 90 flashes
per minute when switching to secondary voltage.
15.4
C
OMMON FIRE
In the event of a fire alarm from either the fire alarm detectors or the operation of the extinguishant
release pushbuttons, the red general fire LED lit.