!
4.2.2.2 Functions
!
T
he
“EXTINGUISHING
RELEASE”
button
will
!
operate
in the
“MANUAL”
condition
only.
!
4.2.3
fault
diagnostics
!
Fault Conditions: When a fault occurs on a
!
part of the system the panel responds by
!
activating the internal sounder (which will
!
pulse intermittently) and illuminating the
!
Zellabox
!
Technical
data
!
fault
light
(amber).
The
internal
sounder
!
may
be
silenced
however
this
will
still
give
a
!
reminder
every
15
seconds,
which
cannot
be
!
silenced
until
the
fault
is
rectified.
The
fault
!
will
automatically
reset
if
the
fault
clears
on
!
its
own,
however
this
information
is
logged
!
in
the
event
log
memory
for
engineering
!
purposes.
!
The
types
of
faults
that
would
activate
these
!
are
as
follows:
!
4.2.3.1
Zone
1
Fault
!
•
Cause
–
open
or
short
circuit
fault
is
!
!
detected
from
detection
circuit
No.
1.
!
•
Remedy – check detector 1 is situated on
!
!
the base correctly, also check that the end
!
!
of line resistor is in place on the detector
!
!
base.
!
4.2.3.2
Zone
2
Fault
!
•
Cause – open or short circuit fault is
!
!
detected from detection circuit No. 2.
!
•
Remedy – check detector 2 is situated on
!
!
the base correctly, also check that the end
!
!
of line resistor is in place on the detector
!
!
base.
!
4.2.3.3
System
Fault
!
•
Cause
–
see
all
other
Fault
Indications
and
!
!
Detectors.
!
•
Remedy
–
Check
Detectors
in
place
and
!
!
properly
fitted.
!
4.2.3.4
Power
Supply
Fault
!
•
Cause
–
fault
signal
is
detected
from
the
!
power
supply
(mains
or
battery
failure).
!
•
Remedy
–
check
all
external
fuses
and
that
!
!
mains
supply
is
present.
!
•
Check
batteries
are
in
circuit,
check
on
!
!
rear
external
plate
that
the
battery
fuse
!
!
is
in
place,
check
batteries
for
signs
of
!
!
malfunction
–
corrosion,
overheating,
shape
!
!
distortion.
!
4.2.3.5
Sounders
Fault
!
•
Cause
–
open
or
short
circuit
has
been
!
!
detected
on
one
or
both
of
the
sounder
!
circuits.
!
•
Remedy
–
Check
all
connections
and
E.O.L
!
!
resistor
in
place.
!
4.2.3.6
Extinguishing
Agent
Fault
!
•
Cause
–
open
circuit
has
been
detected
on
!
!
the
extinguishing
agent
circuit.
!
•
Remedy
–
ensure
that
internal
extinguishing
!
!
actuator
is
in
circuit.
If
the
fault
persists
it
!
!
should
be
changed.
!
Function
!
Description
!
Isolate z1
!
Isolates Z1and prohibit
!
Extinguishant release.
!
Isolate z2
!
!
Isolates Z2 and prohibit
!
Extinguishant release.
!
Silence
sounders
!
!
Silence the external
!
Sounders if activated.
!
Silence buzzer
!
!
Silence the Buzzer if
!
Activated.
!
Test
!
Illuminates all LED
ʼ
s.
!
Reset/abort
!
!
A system reset is
!
Performed.
!
12
!
Summary of Contents for Cubb
Page 1: ...1 Zellabox User Manual...
