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SILENCING THE
LOW BATTERY
WARNING
This
silence
feature
can
temporerily
quiet
the
low
battery
warning
"chirp"
for
up
to
8 hours.
You can
silence
the
10'1;'
batte:y
warning
"chirp" by
pressing
the TesVSilence
button.
Tr.e
LED
wili
flash
twice,
acknowledging
that
the
low
battery
silence
feature has
been activated.
After 8
hours,
the
low
battery
"chirp"
will
resume.
Replace
the batteries
as
soon
as possible;
this
unit
will
not
operate
without
battery
power!
To deactivate
this feature:
Press
the Test/Silence
button
again.
The
unit will
go
into
Test
Mode and the
low
batte:y warning
will
resume
(LED flashes
and
unit
sounds
"chirp"
once a
minute.)
If
you
cannot
silence
the
low
battery
warning,
replace
the batteries
immediately.
TESTING
&
MAINTENANCE
WEEKLY
TESTING
AWARNING!
Test the CO Alarm
once
a
week.
If
the CO Alarm
ever
fails to
test
correctly,
have it
replaced
immediately!
If
the CO Alarm is not working
properly,
it
cannot
alert
you
to
a
problem.
DO
NOT
stand
close
to the Alarm when
the
horn
is
sounding.
Exposure
at
close
range
may
be harmful
to
your
hearing.
When
testing,
step away when
horn
starts
sounding.
Push
and
hold the
Test/Silence
button on the cover
until the
LED
flashes.
The
alarm horn
will
sound
4
beeps,
a
pause,
then 4
beeps. The ALARM (RED)
light
will
flash.
The
alarm
sequence
should last
5-6
seconds.
If it
does not
alarm,
make
sure
fresh
batteries
are
correctly
installed,
and test
it
again. If the unit still
does
not
alarm,
replace
it
immediately.
If the
alarm does not
test
property:
1.
Make
sure
that
fresh
batteries
are installed
correctly.
2.
Be sure the Alarm is
clean
and dust-free.
3.
Install
fresh
AA batteries'
and
test
the
Alarm again.
AWARNING!
DO
NOT
try fixing the
Alarm
yourself
- this
will
void
your warranty!
If
the
CO
Alarm
is
still
not
operating
properly,
and it
is
still
under
warranty,
please
see
"How
to
Obtain
Warranty
Service"
in
the Limited
Warranty.
Install a
new
CO
Alarm
immediately.
The
Test/Silence
button
is
the
only
proper
way to
test
the
CO Alarm.
NEVER use
vehicle
exhaust!
Exhaust
may
cause permanent
damage
and
voids
your
warranty.
'For
a
list
of
acceptable
replacement
batteries,
see
"RegUlar
Maintenance."
FINDING THE
SOURCE
OF CO
AFTER
AN
ALARM
Carbon
monoxide
is an odorless,
invisible
gas,
which
often makes
it difficult
to
locate
the
source
of CO after
an
alarm.
These
are a
few
of
the
factors
that
can
make
it
difficult
to
locate sources
of
CO:
House well
ventilated
before
the
investigator
arrives.
Problem
caused by
"backdrafting."
Transient CC
problem caused
by
special
circumstances.
Because
CO
may
dissipate
by
the
time
an
investigator
arrives,
it may
be
difficult to
locate
the source
of
CO.
BRK
Brands,
Inc.
shall
not
be obligated
to pay for
any carbon
monoxide
investigation
or
service
call.
HOW CAN
I PROTECT MY
FAMiLV
FROM
CO
POISONING?
A
CO Alarm
is an excellent means
of
protection.
It monitors
the air and
sounds
a
loud
alarm before
carbon
monoxide
levels
become threatening
for
average,
healthy adults.
A CO Alarm is not a
substitute
for
proper maintenance
of
home
appliances.
To help prevent CO
problems and
reduce
the
risk
of CO
poisoning:
Clean chimneys
and
flues
yearly.
Keep
them
free of
debris,
leaves,
and
nests
for proper air
flow.
Also,
have a professional
check
for
rust and
corrosion,
cracks,
or
separations.
These conditions
can prevent
proper
air
movement
and cause
backdrafting.
Never
"cap"
or
cover
a
chimney
in
any
way
that would
block air
flow.
Test and maintain
all fuel-buming
equipment
annually.
Many local
gas
or
oil
companies
and
HVAC
companies
offer appliance
inspections
for
a
nominal
iee.
Make regular
visual inspections
of
all
fuel-burning
appliances.
Check
appli-
ances
for
excessive rust and scaling .. lIJso
check
the
flame on the burner
and pilot
lights.
The
flame
should
be
blue.
A
yellow flame means fuel is not
being burned
completely
and CO may
be
present.
Keep the blower
door
on
the furnace
closed.
Use vents
or
fans
when
they are available on
all
fuel-burning
appliances.
Make sure
appliances
are
vented
to
the
outside.
Do
not grill
or barbecue
indoors,
or in
garages
or
on
screen
porches.
Check for exhaust backflow
from
CO
sources. Check
the
draft
hood
on an operating furnace for a
backdraft.
Look
for
cracks on furnace
heat
exchangers.
Check
the house
or garage
on
the
other side
of
shared
wall.
Keep
windows
and doors open slightly.
If
you
suspect
that CO
is
escaping
into
your
home,
open a
window or
a
door.
Opening
windows
and
doors
can
significantly
decrease
CO
levels.
In addition,
familiarize
yourself
with
all
enclosed
materials.
Read
this
manual
in
its
entirety,
and make sure you understand
what to do
if your
CO
Alarm
sounds.
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