Fenwal Controls FC1, Operation & Instruction Manual

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730110 K0
22
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Procedures/steps to be taken in the event of trouble occurrence Procedures/steps to be taken in the event of trouble occurrence Procedures/steps to be taken in the event of trouble occurrence Procedures/steps to be taken in the event of trouble occurrence
Control unit indications
POWER TROUBLE 7 Seg. LED Buzzer
Smoke
detector
LED
Contents of trouble Confirmation Items
DTECTOR
LED
Lighting Corresponding
detector’s
address is
indicated Intermittence
rumble Blinking 10
seconds
interval
or
Corresponding
detector’s LED
turns off.
-Communication line
power failure
-Internal abnormality
of detector
-Smoke detector
sensitivity revision
over -Replace the detector.
OVER
LED
Lighting None Intermittence
rumble Blinking 10
seconds
interval
The number of detectors
which have been
recognized is greater
than specification at
the detector number
switch of control unit. Make the specification
of the detector number
switch and the number of
connected
detectors
equal.
UNDER
LED
Lighting None because
the
disconnection
before the
power supply
on cannot
recognize
the address,
or
When the
disconnection
is detected
after the
power supply
on, the broken
wire detector
address is
displayed.
Intermittence
rumble Blinking 10
seconds
interval
or
Turning off
-The number of
detectors which have
been recognized is less
than specification at
the detector number
switch of control unit.
-Broken wire of
communication line
-Broken wire inside
detector
-Falling off of
detector -Make the specification
of the detector number
switch and the number of
connected detectors
equal.
-Make sure of wiring
which is to be correctly
done.
-Insert correctly the
communication line into
the Terminal Block of
control unit.
-Insert correctly the
communication line into
the Terminal Block of the
detector.
-Please verify whether
the communication line
has not been
disconnected.
SHORT
LED
Lighting None Intermittence
rumble Turning off -Communication line
short circuit The communication line
is short. Just please
wire.
Lighting
RECIEVER
LED
Lighting None Intermittence
rumble Blinking 10
seconds
interval -Specification of
detector number
switches of control
unit 0 or 32 or more.
-The power switch or
flash memory of control
unit is abnormal. -Please verify the
detector number switch
setting of control unit.
-In case of control unit
trouble, please
exchange.
Turning
off Turning
off ‘E’ or ‘E.’
indication
Continual
rumble Turning off Control unit CPU error. Because it is breakdown
of control unit.
Caution
！ ！ ！ ！
Doing the above-mentioned coping, case problem is not solved, please
inform to the nearby Fenwal Controls of Japan Co., Ltd.
The time of trouble occurrence, when you redo wiring or exchanging
the detector, Do it after turning off power.