AC Plug-In Carbon Monoxide Alarms with Wi-Fi
P/N: G-000070-00 EN Rev. A
2
Two (2) AA
Batteries
Mobile Phone or Tablet
1
(iOS or for Android
TM 2
)
Access to a 2.4GHz Wi-Fi
network, and a compatible
802.11b/g/n router
120V AC non-switched outlet (to
power the alarm)
Additional tools such as a
ladder, and screwdriver for
installation
1 . Requires iOS 14 or later, or Android 9 and up.
2. Android is a trademark of Google LLC.
3. Download from Apple App Store or Google Play Store.
Alarm
User
Guide
The Kidde app
3
AC Plug-In Carbon Monoxide Alarms with Wi-Fi
P/N: G-000070- 00 EN Rev. A
Quick Start
Guide
QR CODE
QUICK START GUIDE
1
Download the Kidde app.
2
Create and verify your Kidde account.
3
Follow in-app instructions to set up your alarm.
When prompted, scan this QR code.
NEED HELP? Give us a call at 1-877-542-5471
or explore FAQs at kidde.com/faq
NOTE: You cannot start Wi-Fi setup without AC power connected. After setup/enrollment are complete,
Wi-Fi features will not function without AC power present.
Teach children how to respond to the alarm and that they should never play with the unit. This alarm is
designed to detect carbon monoxide from any source of combustion in a residential environment. These
models are not designed for use in a recreational vehicle (RV) or boat.
NOTE: Please thoroughly read this user guide and save the document for future reference and to pass
on to any subsequent owner. Images are representative only. Actual product may vary slightly.
The National Fire Protection Association (NFPA) and the manufacturer recommend replacing this alarm
after ten years.
Model: _________________
Date Code (on back): _________________
Date of Purchase: _________________
Where Purchased: _________________
Date to Replace: _________________
Product Support: 1-877-542-5471
Please write down the below information
and have this at hand when you call.
Scan here to register your device
with Kidde for customer support
and warranty information.
3
These models are capable of sending notifications to a mobile device using the Kidde app.
WARNING: Mobile alert services are ancillary to the product and for informational purposes only. They
are not intended or suitable for life safety or critical purposes nor do these services take the place of third
party life safety monitoring services. This product’s smart phone or tablet notifications require a stable Wi-
Fi connection, and are only as reliable as your home Wi-Fi network.
NOTE: The app receives regular updates. The paper or online copy of your user guide will most likely lag
behind the app’s regular updates. Visit Kidde.com to find and download or print the latest user guide.
1 . Requires iOS 14 or later, or Android 9 and up.
2. Android is a trademark of Google LLC.
3. Download from Apple App Store or Google Play Store.
Models included in this User Guide:
Kidde Model Display
AA Backup
Batteries
Wi-Fi
Low Level
CO Alert
Indoor Air
Quality
Monitor
No Chirps
At Night
COPDW Yes Yes Yes No No Yes
COPDLQW Yes Yes Yes Yes Yes Yes
4
Contents
1. Carbon Monoxide Alarm: What To Do When The Alarm Sounds . . . . .5
2. Other Alarm Visual And Audible Indicators . . . . . . . . . . . .7
3. Troubleshooting Guide . . . . . . . . . . . . . . . . . . .8
4. Introduction, Product Features And Specifications . . . . . . . . .10
5. Limitations Of Carbon Monoxide Alarms . . . . . . . . . . . . .14
6. Recommended Locations And Locations To Avoid . . . . . . . . .15
7. Alarm Installation . . . . . . . . . . . . . . . . . . . . .16
8. Resetting a Device’s Wireless Settings. . . . . . . . . . . . . .18
9. Operation, Testing, And Nuisance . . . . . . . . . . . . . . .19
10. Battery Information . . . . . . . . . . . . . . . . . . . .22
11. General Carbon Monoxide (CO) Information . . . . . . . . . . . .23
12. Cleaning Your Alarm. . . . . . . . . . . . . . . . . . . .26
13. Service And Warranty . . . . . . . . . . . . . . . . . . .27
5
1.
Carbon Monoxide Alarm: What To Do When The Alarm Sounds
The carbon monoxide (CO) alarm pattern is four quick beeps repeating every 5 seconds. The red
LED blinks in time with the alarm pattern, and the display will alternate between the number of
PPM of CO detected, and the message “CO.” On DC power only, after 4 minutes in CO alarm, the
alarm pattern will only occur every 60s. During CO alarm, the Air Quality Status LED will also show
red (model specific).
Always consider a CO alarm to be dangerous. After emergency services responders have arrived,
the premises has been aired out, and your alarm remains in its normal condition, it is important to call
a qualified appliance technician to investigate for sources of CO from fuel burning equipment and
appliances and inspect for proper operation of this equipment. If problems are identified during this
inspection, have the equipment serviced immediately. Note any combustion equipment not inspected
by the technician and consult the manufacturer’s instructions or contact the manufacturer directly for
more information about CO safety and this equipment. Make sure that motor vehicles are not or have
not been operating in an attached garage or adjacent to the residence.
NOTE: See Section Operation, Testing, And Nuisance, for nuisance alarm situations.
WARNING:
CARBON MONOXIDE (CO) IS A COLORLESS,
ODORLESS, POISONOUS GAS. YOU CAN’T TASTE, SEE, OR SMELL
CO, BUT IT CAN KILL IN JUST MINUTES. THIS ALARM WILL SOUND
IN A 4-BEEP PATTERN IF LIFE THREATENING LEVELS OF CO ARE
DETECTED. IF THE ALARM SOUNDS:
1
)
Immediately evacuate all occupants from the space and go outdoors
to fresh air.
2) Call emergency responders (911 or fire department) for help; notify the
building or vehicle owner, as necessary.
EMERGENCY PHONE: _______________________
6
Low Level CO Alert Procedure (if applicable)
The Low Level CO Alert is two quick beeps and two red LED blinks every 10 seconds, repeating.
The display will show the CO level (PPM) detected. On DC power only, after 4 minutes the alert
pattern will only occur every 60s. During Low Level CO Alert, the Air Quality Status LED will not
show red (model specific).
WARNING:
An early carbon monoxide (CO) alert is a
signal indicating the presence of low levels of CO. It’s designed to
prompt early awareness and action—allowing you to address the
issue before it escalates into a full alarm.
Even low levels of CO can pose health risks, particularly for individuals
with certain pre-existing medical conditions. Children, seniors, and
pets are also more susceptible and may begin experiencing symptoms
sooner.
Recommended actions:
1) Open windows to improve ventilation.
2) Attempt to identify and resolve the source of CO before an alarm is
triggered.
3) If you or a household member has a medical condition that could be
affected by the exposure of low CO levels (between 30 and 70 PPM),
consult your healthcare provider to understand any potential risks.
4) If the unit goes into full alarm, follow the Carbon Monoxide Alarm
Procedure outlined at the beginning of Section 1 for emergency
response and evacuation.
7
2. Other Alarm Visual And Audible Indicators
Audible Indications Action / Note
Operational Mode
Display
(if applicable)
Visual Indications
Audible Indications
Action / Note
Normal (standby)
After Wi-Fi connected.
Without Wi-Fi connected.
AC power: Green LED on
continuously. DC power:
Green LED blinks approx
every 60 sec.
Test (Test/Hush
button press
when no alarm
condition is present)
(Note: Test is very
loud, stand a few feet
away.)
Red LED blinks in time
with alarm pattern.
Air Quality Status LED
also shows red (model
specific).
• Single beep
• 4 quick beeps, pause,
4 quick beeps.
Perform Test/Hush button press
once a week to verify proper
alarm operation.
CO Alarm Memory
(unit has experienced
a CO alarm event, or a
low level CO alert has
been detected (model
specific.))
Alternating 2 red LED blinks every
15 sec.
None NOTE: Alarm memory is
retained for 7 days.
Push Test/Hush button to
clear Alarm Memory.
CO Peak Level
Memory (Display
models only. Unit has
detected 100 ppm
or greater, or a low
level CO alert has
been detected (model
specific.)
Alternating (after Peak
Level button press)
2 red LED blinks every
15 sec.
None * Push Peak Level button to see
highest level of CO detected
on the display from 31 to 999.
If no CO has been detected,
the display will alternate
between “PCO” and “CLr”.
* Clear Peak Level Memory
by cycling power (remove/
replace batteries), or by
pushing the Peak Level and
Test/Hush buttons at the
same time until the display
shows “CLr”.
Low Level CO Alert,
above 30ppm (if
applicable)
2 red LED blinks every
10 sec.
On DC power only, after 4
mins, alert occurs only once
every 60 sec.
Air Quality Status LED will not
show red (model specific).
2 chirps every 10 sec.
On DC power only, after
4 mins, alert occurs only
once every 60 sec.
Refer to Section 1:
“Low Level CO Alert Procedure”
PPM
PPM
PPM
PPM
8
Operational Mode
Display
(if applicable)
Visual Indications Audible Indications Action / Note
CO Alarm HUSH
TM
/
Reset
None After Test/Hush button
push: CO alarm pattern
stops.
Unit is confirming if CO is present or
if it experienced a nuisance situation.
Re-alarm means danger. Move to
fresh air and call 911.
Wi-Fi enrollment begins
(when the unit is first
connected to AC power)
* Backlight turns on
during Wi-Fi Set-Up,
then turns o.
* Wi-Fi Symbol flash
every 0.5 second
Blue LED blinks once
per second
None Follow the steps on the bottom of
page 1 of this User Guide.
Wi-Fi enrollment
completed
Blue LED blinks 3
times per second for 5
seconds.
None Repeat Wi-Fi enrollment with each
alarm.
Indoor Air Quality Status
(IAQ) (Note: IAQ features
do not work without AC
power)
N/A
* Green LED: IAQ good
* Yellow LED: IAQ
moderate
* Amber LED: IAQ bad
* Red LED: IAQ very bad
None
Visit www.epa.org for more informa-
tion on VOCs. If you consistently get
high levels of poor IAQ in a room, take
steps to improve ventilation or air
circulation in the area of the device.
3. Troubleshooting Guide
If you are experiencing a problem with your alarm, or a fault, and are unsure of the next action, please contact product
support at 1-877-542-5471 before discharging the battery (10 yr sealed battery models) or disposing of your alarm. You may
also write us at: Kidde, 1016 Corporate Park Drive, Mebane, NC 27302, or visit our internet address at www.kidde.com.
Trouble Condition
Display
(if applicable)
Visual Indications Audible Indications Action / Note
No Battery
Amber LED blinks
every 6 sec.
Chirp Every 60 Sec.
* Remove the battery pull tab, or install
batteries.
Low Battery Before button push:
After button push:
Amber LED blinks
every 6 sec.
Chirp every 60 sec. * Push Test/Hush button once to silence for
24 hrs. (Push Test/Hush button again to
clear Hush and perform a test.) Note: 7 days
after Low Battery begins, the notifications
cannot be silenced.
* Replace batteries as soon as possible.
PPM
9
3. Troubleshooting Guide
Trouble Condition
Display
(if applicable)
Visual Indications Audible Indications Action / Note
CO Fault
Amber LED blinks 2
times every 60 sec.
3 chirps every
60 sec.
*
Push Test/Hush button once to attempt to
reset the unit.
*
If error continues, remove alarm, dispose unit,
and replace as soon as possible. (Remove
batteries before disposal)
Fatal Fault
Amber LED blinks
3 times every 60 sec.
3 chirps every
60 sec.
*
Remove alarm, dispose unit, and replace as
soon as possible. (Remove batteries before
disposal)
End of Unit Life Before button push:
After button push:
Amber LED blinks 2
times every 60 sec.
2 chirps every 60 sec.
*
Push Test/Hush button once to silence for
24 hrs. (Push Test/Hush button again to clear
Hush and perform a test.) Note: 7 days after
End of Unit Life begins, the notifications cannot
be silenced.
*
Remove alarm, dispose unit, and replace as
soon as possible. (Remove batteries before
disposal)
Failure to connect
to Wi-Fi router
during setup due
to incorrect Wi-Fi
password.
Wi-Fi symbol flashes on and
o every half second.
Green LED turns o,
red LED gives 3 rapid
blinks every other
second, repeated
3 times, Green LED
turns on.
*
Check your router WiFi 2.4 GHz SSID Password
and enter it correctly.
*
If above step fails, reset wireless settings and
start over.
Failure to connect
to Wi-Fi during
setup for any other
reason.
Green LED turns o,
red LED gives 3 rapid
blinks every other
second, repeated
3 times, Green LED
turns on.
*
Check your router functionality and internet
connection.
*
Reset wireless settings and allow device to
search for network.
*
If above step fails, install the device in another
outlet location. Then reset wireless settings
and allow device to search for network.
Wi-Fi
communication
failure (device fails
to connect to a
functioning Wi-Fi
router) (NOTE:
The Wi-Fi features
do not function
without AC power
present.)
Green LED turns o,
red and blue LEDs
alternate blinking
every 2 sec.
None
*
Check your router functionality and internet
connection.
*
Reset wireless settings and start over.
*
If above step fails, install the device in another
outlet location. Then reset wireless settings
and allow device to search for network.
*
Contact customer service. If error persists,
or if customer service directs, remove alarm,
dispose unit, and replace as soon as possible.
PPM
10
Trouble Condition
Display
(if applicable)
Visual Indications Audible Indications Action / Note
Loss of Wi-Fi
Connection on
a previously
connected
device (NOTE:
The Wi-Fi
features do not
function with-
out AC power
present.)
Blue and amber LEDs
alternate blinking
once every minute.
None
* The unit will attempt to re-connect on its own.
After 10 consecutive mins of lost connection, you
will receive a notification of “Contact Lost” in your
mobile App.
* Check your router functionality and internet
connection.
* Reset wireless settings and start over.
* If above step fails, install the device in another outlet
location. Then reset wireless settings and allow
device to search for network.
* Contact customer service. If error persists, or if
customer service directs, remove alarm, dispose
unit, and replace as soon as possible.
Wi-Fi setup was
not completed
Green LED will turn o
once per minute and
the blue LED will blink.
None
*
This is a reminder to finish setting up the Wi-Fi device.
* Reset wireless settings and start over.
MCU Failure
Blank Screen None. Constant Tone * Remove alarm, dispose unit, and replace as soon as
possible. (Remove batteries before disposal)
Stuck Test/
Hush or Peak
Level Button
Amber LED blinks 4
times every 60 sec.
3 chirps every
60 sec.
* Push button to dislodge it from being stuck. If button
cannot be unstuck, remove alarm, dispose unit,
and replace as soon as possible. (Remove batteries
before disposal)
4. Introduction, Product Features And Specifications
Introduction
This alarm detects carbon monoxide using an electrochemical cell. Many times throughout this User
Guide, we will refer to Carbon Monoxide as “CO.”
Ten (10) years after the CO alarm is powered up, installed, and tested, the unit will automatically alert
you that it is time to replace the unit. This is called “End of Unit Life” mode. See Troubleshooting Guide.
To help identify the date to replace the unit, a label has been affixed to the side of the alarm. Write the
“Replace by” date (10 years from initial power up) in an oil based permanent marker on the label prior
to installing the unit. Two labels have been provided that have important information on what to do in
case of a CO alarm. Place one label at eye level on a wall near the alarm after it is mounted, and one
near a fresh air source such as a door or window, where you plan to gather after the alarm indicates
the presence of carbon monoxide.
This Kidde carbon monoxide alarm is an important part of your family’s home safety plan. As an owner
of a CO alarm, there are some basic facts you should know about for your protection.
11
Many people think that CO alarms operate like smoke alarms. Like smoke alarms, CO alarms monitor
the air in your home and sound a loud alarm to warn you of trouble. The way you respond to a CO alarm
is quite different than a smoke alarm. That’s because a house fire and a CO problem are distinctly
different situations. If your smoke alarm were to alarm, you would quickly be able to judge the level of
danger you were in with your senses. You can see and smell the smoke, feel the heat, see, and possibly
hear the fire burning. You can also readily see if your smoke alarm is alarming in a non-emergency
situation. Because your sense of sight, smell, hearing and touch give you information, you can almost
instantly judge what action to take if you hear your smoke alarm.
CO is an invisible, odorless, tasteless and non-irritating gas – completely undetectable to your senses.
That’s why it is important to your safety that you have a CO alarm.
Product Features and Specifications (see list of models on page 2):
• Powered by 120VAC, direct plug-in, (60 Hz, 50 mA max), with 2 AA backup batteries
• Digital Display
• Low Level CO Alert (model specific)
• Indoor Air Quality Monitoring (model specific) NOTE: The indoor air quality sensors and features
are not designed for life safety, and are not OSHA or agency certified. These features offer
additional notifications to the consumer, and will not affect life safety performance (CO detection)
of your Wi-Fi alarm.
• No Chirps At Night
• Wi-Fi Compatible to Mobile Device ( Requires 802.11b/g/n (2.4GHz) Wi-Fi ). The Kidde app is
required, along with a home Wi-Fi router and internet. NOTE: Wi-Fi features do not function
without AC power.
• Easy installation
• CO Sensor: Electrochemical
• Temperature Operating Range: 40 °F (4.4 °C) to 100 °F (37.8 °C)
• Humidity Operating Range: 10 to 95% RH, non-condensing
• Audible Alarm: 85+ dB at 10 ft, 3.0 to 3.5 KHz pulsing
• Remote Test the alarm and Remote Smart Hush
TM
false alarms using the app when you are home
(within physical proximity of your Smart Alarm). *
• Compatible with Amazon Alexa and Google Home. Follow instructions in the Kidde app help
section to learn more about Amazon Alexa or Google Home services.**
NOTE: You cannot start Wi-Fi setup without AC power connected. After setup/enrollment are complete,
Wi-Fi features will not function without AC power present.
* This feature only applies to Kidde Wi-Fi alarms/devices.
** Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Google and
Google Home are trademarks of Google LLC.
12
Sounder
Button
Sounder
Display
Button
Display
Status LED
Status LED
Indoor Air Quality LED
Models with Wi-Fi
Models with Wi-Fi and
Indoor Air Quality Monitoring
13
FCC
CAUTION: The user is cautioned that changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause undesired operation.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with
the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the equipment and receiver.
--
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with a minimum distance of 20cm between the radiator and
your body. This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.
14
5. Limitations Of Carbon Monoxide Alarms
WARNING: PLEASE READ CAREFULLY AND THOROUGHLY
• A battery powered alarm must have a battery of the specified type, in good condition and installed
properly.
• Alarms must be tested regularly to make sure the battery and the alarm circuits are in good
operating condition.
• If the alarm is located outside the bedroom or on a different floor, it may not wake up a sound sleeper.
• The use of alcohol or drugs may also impair one’s ability to hear the alarm.
This alarm is not intended to alert hearing impaired individuals.
WARNING: PLEASE READ CAREFULLY AND THOROUGHLY
IMPORTANT: CO alarms are designed to detect carbon monoxide gas from ANY source of combustion.
They are NOT designed to detect smoke, fire, or any other gas.
WARNING: Carbon monoxide alarms are not smoke alarms. This carbon monoxide alarm is not a
substitute for installing and maintaining an appropriate number of smoke alarms in your home.
This carbon monoxide alarm will not sense smoke, fire, or any poisonous gas other than carbon monoxide
even though carbon monoxide can be generated by fire. For this reason you must install smoke alarms to
provide early warning of fire and to protect you and your family from fire and its related hazards.
CAUTION: CO alarms will only indicate the presence of carbon monoxide gas at the sensor. Carbon
monoxide gas may be present in other areas. Never restart the source of a CO problem until it has been
fixed. NEVER IGNORE THE ALARM!
WARNING: CO ALARMS ARE INTENDED FOR USE IN ORDINARY INDOOR LOCATIONS OF FAMILY
LIVING UNITS. THEY ARE NOT DESIGNED TO MEASURE COMPLIANCE WITH OCCUPATIONAL SAFETY
AND HEALTH ADMINISTRATION (OSHA) COMMERCIAL OR INDUSTRIAL STANDARDS. THEY ARE NOT
SUITABLE FOR INSTALLATION IN HAZARDOUS LOCATIONS AS DEFINED IN THE NATIONAL ELECTRIC
CODE. THEY ARE NOT DESIGNED FOR USE IN A RECREATIONAL VEHICLE (RV) OR BOAT.
• The installation of CO alarms should not be used as a substitute for proper installation, use, and
maintenance of fuel burning appliances, including appropriate ventilation and exhaust systems.
• CO alarms do not prevent CO from occurring, nor can they solve any existing CO problem.
15
WARNING: CO ALARMS ARE DESIGNED TO HELP PROTECT INDIVIDUALS FROM
ACUTE EFFECTS OF CARBON MONOXIDE EXPOSURE. THEY WILL NOT FULLY SAFEGUARD
INDIVIDUALS WITH SPECIFIC MEDICAL CONDITIONS. IF IN DOUBT, CONSULT A MEDICAL
PRACTITIONER. INDIVIDUALS WITH MEDICAL PROBLEMS MAY CONSIDER USING WARNING
DEVICES WHICH PROVIDE AUDIBLE AND VISUAL SIGNALS FOR CARBON MONOXIDE
CONCENTRATIONS UNDER 30 PPM. *
• These models have not been investigated for carbon monoxide alarm below 70 ppm.
• This device requires a continuous supply of electrical power from a healthy battery or AC
connection, depending on the model. It will not work without power.
* Reference Underwriters Laboratories (UL) standard 2034
6. Recommended Locations And Locations To Avoid
Figure 6
BEDROOM
LIVING
ROOM
BASEMENT
BEDROOM
HALL
KITCHEN
MULTIPLE
FLOOR PLAN
Recommended Locations
DINING
LIVING ROOM
BEDROOM
KITCHEN
BEDROOM
BEDROOM
• Industry experts recommend a CO alarm be installed on each level of the home -- ideally on any
level with fuel burning appliances and outside of sleeping areas.
Locations To Avoid
• In the garage. Products of combustion are present when you start your automobile.
• Do not install within 6 ft of heating or cooking appliances.
• Do not install in dead air spaces, such as peaks of vaulted ceilings or gabled roofs, where CO may
not reach the sensor in time to provide early warning.
16
• In an area where the temperature may fall below 40 °F (4.4 °C) or rise above 100 °F (37.8 °C), such as
crawl spaces, unfinished attics, porches, and garages.
• In dusty areas. Dust particles may cause nuisance alarms or a failure to alarm.
• In very humid areas (above 95% RH, non-condensing) as moisture or steam can cause nuisance
alarms.
• In insect-infested areas.
• Alarms should not be installed within 3 ft (0.9m) of the door to a bathroom containing a tub or
shower, forced air supply ducts used for heating or cooling, ceiling or whole house ventilating fans,
or other high air flow areas.
• Near lights. Electronic “noise” generated by the lights may cause nuisance alarms.
• Do not install near vents, flues, or chimneys.
• Do not install near fans, doors, windows or areas directly exposed to the weather.
• Near deep-cell large batteries. Large batteries have emissions that can cause the alarm to perform
at less than optimum performance.
• Do not obstruct the vents located on the alarm. Do not place the alarm where drapes, furniture or
other objects block the flow of air to the vents.
• Do not install on a switched or dimmer-controlled outlet.
7. Alarm Installation
NOTE: Do not power your smart alarm until prompted in the Kidde app to ensure best Wi-Fi enrollment
results.
NOTE: You cannot start Wi-Fi setup without AC power connected. After setup/enrollment are complete,
Wi-Fi features will not function without AC power present.
NOTE: These units will emit a series of LED blinks and tones as the unit(s) search for a Wi-Fi network.
If you are intending to use these units without the Wi-Fi function, ignore these notifications, and the
Wi-Fi functions will turn off in about 15 minutes, or you can push the Peak Level button to exit Wi-Fi
enrollment mode. You can turn the Wi-Fi functions on again at a later date if desired (see Section
Resetting a Device’s Wireless Settings).
NOTE: The IAQ product takes a minimum of 5 minutes to warm up before air quality information is
available. However the device can take up to 4 days to achieve full accuracy.
17
STEP 1: ACTIVATE BATTERY
Pull out the battery pull tab first to activate the batteries (see
Figure 7-A). Battery activation is confirmed with a beep. If the
beep does not occur when the battery pull tab is removed,
remove the batteries and reinstall them. Confirm the battery
activation beep.
NOTE: Connecting AC power first, without removing the
battery pull tab, or without installing all batteries in the correct
orientation, will result in a false low battery trouble condition chirp
(see Troubleshooting Guide). You need to activate or install the batteries to eliminate the false low
battery trouble condition chirps. Remove the battery pull tab (see Figure 7-A) or install all batteries
in the correct orientation (see Figure 10) to avoid false low battery notification. Battery activation is
confirmed with a beep. If the beep does not occur when the battery pull tab is removed, or when
batteries are replaced, remove the batteries and reinstall them in correct orientation. Confirm the
battery activation beep.
STEP 2: INSTALLATION
These alarms are designed to plug directly into a standard, non-switched wall outlet.
WARNING: AC ALARMS CANNOT BE OPERATED FROM POWER DERIVED FROM A SQUARE
WAVE, MODIFIED SQUARE WAVE OR MODIFIED SINE WAVE, INVERTER. THESE TYPES OF
INVERTERS ARE SOMETIMES USED TO SUPPLY POWER TO THE STRUCTURE IN OFF GRID
INSTALLATIONS, SUCH AS SOLAR OR WIND DERIVED POWER SOURCES. THESE POWER
SOURCES PRODUCE HIGH PEAK VOLTAGES THAT WILL DAMAGE THE ALARM.
To install:
• Choose a standard 120V non-switched outlet to plug the
alarm into.
• Plug the alarm into the outlet.
If the outlet is mounted horizontally (sideways), you will need to
rotate the adapter 90°.
NOTE: If either battery is missing, the battery door cannot close.
NOTE: If you are intending to use these units without the Wi-Fi,
the Wi-Fi will turn off in about 15 minutes or you can push the Peak
Level button quickly to exit Wi-Fi setup.
Figure 7-A
90°
Figure 7-B
18
8. Resetting a Device’s Wireless Settings
This device offers the ability to update Wi-Fi Network Credentials or Factory Reset the wireless
settings if needed. During a wireless reset action, the Wi-Fi symbol will not be shown on the display
until the Wi-Fi connection is restored.
Update Wi-Fi Network Credentials:
If your home equipment (router for example), or password has changed, or for any other reason that
might be preventing Wi-Fi connectivity, use the following steps:
NOTE: The Wi-Fi features do not function without AC power present.
STEP 1:
Begin Wi-Fi Network Credentials reset
• Press and hold the Peak Level button on the device for 4-8 seconds.
• The device will beep once when the button is first pressed.
• After 4 seconds, the device will beep twice.
• Release button.
STEP 2:
The blue LED will flash once per second. Follow app instructions.
STEP 3: FINISH WI-FI SETUP
Follow the in-app instructions to finish the Wi-Fi setup and installation process. When Wi-Fi setup
iscomplete, the blue LED will blink 3 times per second for 5 seconds.
After Wi-Fi setup, the alarm is now activated! After installation / activation, test your alarm as described
in Operation and Testing section.
WARNING: Failure to plug in this device into a non-switched 120V outlet and properly install
batteries in the correct orientation, will prevent proper operation of this alarm and will prevent its
response to CO or air quality hazards.
IMPORTANT: These alarms are not hardwire interconnected. They do not communicate with other
AC hardwire or AC plug-in alarms. Wi-Fi functionality is only between alarms and a mobile device.
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Factory Reset:
If you have troubles during Wi-Fi enrollment, it is possible to reset the device back to factory settings
and start over.
STEP 1:
Begin factory reset
• Press and hold the Peak Level button on the device for 8-12 seconds.
• The device will beep once when the button is first pressed.
• After 4 seconds, the device will beep twice. (continuing holding the button)
• After 8 seconds, the device will beep three times.
STEP 2:
Release button.
STEP 3:
The blue LED will flash once per second.
Device has been reset to factory settings and will start over with Wi-Fi enrollment (follow app
instructions).
NOTE: If no further steps are taken within 15 minutes of starting the Wi-Fi setup process, the Wi-Fi
function will turn off.
9. Operation, Testing, And Nuisance
OPERATION
The alarm is operating once it is activated and testing is complete (see “TESTING” below). When CO is
sensed, the unit sounds a loud alarm. See Section 1 for alarm signal descriptions. In high levels of CO,
the unit will go into alarm in a shorter period of time than at low levels of CO.
CO Concentration CO Alarm (Mins.)
70 PPM
60-240
150 PPM
10-50
400 PPM
4-15
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INDOOR AIR QUALITY
This device is designed to monitor levels of temperature, relative humidity and total volatile organic
compounds (TVOC) – chemicals in the air that can impact your health. Visit www.epa.org for more
information on VOCs. Relative Humidity % (RH) refers to the percentage of water vapor in the air
at a given temperature. Ideal RH for living conditions is usually recommended at 30% - 60%. The
parameters listed below are based on a typical average, climate controlled residence. When conditions
in the residence move outside of the limits shown in the table, an alert is sent to your mobile device.
You can also check the status of your indoor air quality using the Kidde app, after your alarm is
registered with the app.
It’s helpful to understand the difference between temporary high readings and persistent high
readings. A one-time event might create a temporarily high reading but is not a cause for concern in
the long term. However, if you consistently get high levels of poor indoor air quality in a room, then you
should take steps to improve ventilation or air circulation in the area of the device. Please refer to the
threshold ranges in the app to know what readings are considered high.
It is important when comparing readings between different devices that the comparison is truly under
the same conditions. TVOC concentrations can vary throughout the home, so the placement of the
devices in the house can have an impact on their readings. If the devices are not right beside each
other, or one of the devices is closer to a vent or fan, this could impact the difference.
Air Quality
Relative Humidity (%) Approx.VOC conc. (PPB)
Temperature (F）
Good (green LED) > 30 & <= 60 < 500 > 64 & <= 77
Moderate (yellow LED) <= 30 OR > 60 < 1500 > 57 & <= 64 OR > 77 & <= 82
Bad (amber LED) <= 25 OR > 70 < 2500 > 48 & <= 57 OR > 82 & <= 92
Very Bad (red LED) <= 20 OR > 75 >= 2500 <= 48 OR > 92
CO Concentration CO Alert* (Mins.)
70 PPM
≤21
150 PPM
≤ 9
400 PPM
≤ 4
* NOTE:
These are not the same as CO alarm. See Section 1 for CO alarm and Low Level CO Alert descriptions.
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NOTE: The indoor air quality monitor may not react to some particles and its readings may be different
from that of other air quality measuring products and instruments.
TESTING
NOTE: When pushing the Test/Hush button, use only your finger or thumb. Using any other
instrument(s) (such as a broom handle) is strictly prohibited, as it may damage the alarm.
Test your alarm weekly using one of two methods:
1. Press and release the Test/Hush button quickly on the alarm. A quick beep will confirm
the Test/Hush button has been pushed followed by the test sequence.
2. Use the app on your mobile device to conduct a remote test, when you are in the near
vicinity of the unit, where the sound of the alarm can be heard.
See Other Alarm Visual and Audible Indicators table. The alarm will sound if the electronic circuitry,
horn, and batteries are working. If the alarm does not sound, or gives erratic or low volume sound, the
unit must be replaced.
NOTE:
If you push the Test/Hush button on your alarm, the app will send you a text message. However,
if you conduct a remote test using the app, you will not receive a text message.
WARNING: Due to the loudness of the alarm, always stand about 2.5 ft (0.8 m) away from the unit
or use ear protection when testing.
No Chirps At Night
These models will use a local internet connection clock to determine a Night / Day cycle. A valid Night
/ Day cycle will delay unit chirps during the night until the next Day cycle begins.
Chirping
When End of Unit Life or Low Battery chirping begins, you can temporarily silence these chirps by
pressing the Test/Hush button. Other fault /error chirps cannot be silenced. Take appropriate action as
described in the Troubleshooting Guide.
WARNING: REPLACE UNIT AS SOON AS POSSIBLE WHEN IN END OF UNIT LIFE. SEVEN (7) DAYS
AFTER END OF UNIT LIFE BEGINS, THE NOTIFICATIONS CANNOT BE SILENCED, AND CO OR AIR
QUALITY DETECTION CANNOT BE GUARANTEED. REPLACE IMMEDIATELY!
NUISANCE ALARMS
HUSH
TM
/ RESET:
Pushing the Test/Hush button during CO alarm allows the unit to reset calculations and double check
for the presence of CO. If the unit re-alarms within 6 minutes, it is sensing high levels of CO which can
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quickly become a dangerous situation. Exit to fresh air and call 911. Conduct a Reset using one of two
methods:
1. Push the Test/Hush button on the alarming unit.
2. Use the app on your mobile device to silence the nuisance alarming unit.
WARNING: ALTHOUGH THE RESET FEATURE CAN BE USED FOR CO ALARM EVENTS, IT IS IMPOSSIBLE
TO DETERMINE THE SOURCE OF A CO ALARM USING SIGHT OR SMELL. ALWAYS CONSIDER A CO ALARM
EVENT AS DANGEROUS.
10. Battery Information
These models contain two replaceable AA backup batteries. Under normal conditions, fresh batteries
will last at least one year. NOTE: Constant exposure to high or low humidity or temperatures may
reduce battery life.
WARNING: THE ALARM IS SEALED AND THE COVER IS NOT REMOVABLE.
LOW BATTERY
This alarm is equipped with a low battery monitor circuit. If the battery capacity is nearing the point
where it can no longer provide adequate power for all alarm functions, the low battery condition will
occur. See Troubleshooting Guide. The batteries must be replaced within 7 days of the first occurrence
of the “Low Battery Warning” to provide continuous alarm detection.
NOTE: Display models will give two early notifications of battery status to help plan for timely battery
replacement.
1. When the batteries are at approximately half capacity:
2. When the batteries are approaching low battery condition:
Replace batteries with one of the following approved brands，
taking note of the battery polarity shown in Figure 10: Energizer E91, Gold Peak 15A,
or Golden Power GLR6A. These batteries can be purchased at your local retailer.
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WARNING: Use only the batteries specified. Use of different
batteries may have a detrimental effect on the alarm. Do not mix old and
new batteries. Do not mix alkaline, standard, or rechargeable batteries.
batteries.
NOTE: Do not use lithium batteries in this unit. A good safety measure
is to replace the batteries at least once a year, or at the same time you
change your clocks for daylight saving time. A missing or improperly
installed battery will render the unit inoperable.
NOTE: If either battery is missing, the battery door cannot close.
WARNING: Failure to plug in this device into a non-switched 120V
outlet and properly install batteries in the correct orientation, will prevent proper operation of this
alarm and will prevent its response to CO or air quality hazards.
11. General Carbon Monoxide (CO) Information
Carbon monoxide (CO) is a colorless, odorless, and tasteless poison gas that can be fatal when
inhaled. CO inhibits the blood’s capacity to carry oxygen.
Possible Sources of CO
Inside your home, appliances used for heating and cooking are the most likely sources of CO. Vehicles
and other combustion engines running in an attached garage and using a charcoal/gas grill or hibachi
in an enclosed area are all possible sources of CO. Generators running in enclosed areas, such as
garages or living spaces, will create CO. CO can be produced when burning any fossil fuel: gasoline,
diesel, propane, natural gas, oil and wood. It can be produced by any fuel-burning appliance that
is malfunctioning, improperly installed, or not ventilated correctly, such as: Furnaces/boilers, gas
ranges/stoves, gas clothes dryers, water heaters, portable fuel burning space heaters, fireplaces,
wood-burning stoves and certain swimming pool heaters. Blocked chimneys or flues, back drafting
and changes in air pressure, corroded or disconnected vent pipes, or a loose or cracked furnace heat
exchanger can also release CO into your building.
The following conditions can result in transient CO situations:
Excessive spillage or reverse venting of fuel-burning appliances caused by outdoor ambient
conditions such as: Wind direction and/or velocity, including high gusts of wind, heavy air in the
vent pipes (cold/humid air with extended periods between cycles), negative pressure differential
Figure 10
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resulting from the use of exhaust fans, simultaneous operation of several fuel-burning appliances
competing for limited internal air, vent pipe connections vibrating loose from clothes dryers,
furnaces/boilers, or water heaters, obstructions in, or unconventional, vent pipe designs which can
amplify the above situations, extended operation of unvented fuel-burning devices (range, oven,
fireplace, etc.), temperature inversions which can trap exhaust gases near the ground, car idling in
an open or closed attached garage, or near a home.
Carbon Monoxide PPM Levels
Display models are equipped with a digital display that shows levels of CO (displayed in PPM –
parts per million). Learn the difference between dangerous, high, mid and low levels.
Dangerous Levels:
When someone is experiencing symptoms of CO poisoning and CO readings are
generally above 100 PPM. Anytime someone is experiencing the symptoms of CO
poisoning this should be treated as an emergency. See “Section 1.”
High Levels:
Generally above 100 PPM, with no one experiencing symptoms. This should be treated
as an urgent situation. See “Section 1.”
Mid Levels:
Generally between 50 PPM to 100 PPM. This should be cause for concern and should not
be ignored or dismissed. See “Section 1.”
Low Levels:
Generally between 31 and 50 PPM. Kidde recommends you take action to eliminate the
source of CO and consult with your healthcare provider to determine the impact of long
term exposure to these concentrations on your health. See “Section 1.”
CO Safety Tips
Every year, have the heating system, vents, chimney and flue inspected and cleaned by a qualified
technician. Always install appliances according to manufacturer’s instructions and adhere to
local building codes. Most appliances should be installed by professionals and inspected after
installation. Regularly examine vents and chimneys for improper connections, visible rust, or
stains, and check for cracks in furnace heat exchangers. Verify that the color of flame is blue on
pilot lights and burners. An amber or orange flame is a sign that the fuel is not burning completely
and may be releasing CO. Teach all household members what the alarm sounds like and how
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to respond. Fire Departments, most utility companies and HVAC contractors will perform CO
inspections. Some contractors may charge for this service. It’s advisable to inquire about any
applicable fees prior to having the service performed. Kidde will not pay for, or reimburse the
owner or user of this product, for any repair or dispatch calls related to the alarm sounding.
Symptoms of CO Poisoning
Initial carbon monoxide poisoning symptoms are similar to the flu with no fever and can include
dizziness, severe headaches, nausea, vomiting and disorientation. Everyone is susceptible but experts
agree that unborn babies, pregnant women, senior citizens and people with heart or respiratory
problems are especially vulnerable. If symptoms of carbon monoxide poisoning are experienced seek
medical attention immediately. CO poisoning can be determined by a carboxyhemoglobin test.
The following symptoms are related to CARBON MONOXIDE POISONING and should be discussed
with ALL members of the household:
1. MILD EXPOSURE: Slight headache, nausea, vomiting, fatigue (often described as “Flu-like”
symptoms).
2. MEDIUM EXPOSURE: Severe throbbing headache, drowsiness, confusion, fast heart rate.
3. EXTREME EXPOSURE: Unconsciousness, convulsions, cardio respiratory failure and death.
The above levels of exposure relate to healthy adults. Levels differ for those at high risk. Exposure
to high levels of carbon monoxide can be fatal or cause permanent damage and disabilities. Many
cases of reported carbon monoxide poisoning indicate that while victims are aware they are not
feeling well, they become so disoriented they are unable to save themselves by either exiting the
building, or calling for assistance. Also, young children and household pets may be the first affected.
Familiarization with the effects of each level is important.
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12. Cleaning Your Alarm
Your Alarm Should be Cleaned at Least Once a Year
You can clean the interior of your alarm by using compressed air or a vacuum cleaner hose and
blowing or vacuuming through the openings around the perimeter of the alarm. The outside of the
alarm can be wiped with a clean, dry cloth. Do not use water, detergents or cleaners as they may
damage the alarm.
• Never use detergent or other solvents to clean the unit.
• Avoid spraying air freshener, hair spray, or other aerosols near the alarm.
• Do not use a hair dryer to clean the alarm, as it may damage the alarm and impact performance.
• Do not paint the unit. Paint will seal the vents and interfere with the sensor’s ability to detect CO.
• Never attempt to disassemble the unit to clean inside. This action will void your warranty.
The following substances can affect the CO sensor and may cause false readings and damage to the
sensor: Methane, propane, isobutane, iso-propanol, ethyl acetate, hydrogen sulfide, sulfide dioxides,
alcohol based products, paints, thinner, solvents, adhesives, hair spray, aftershave, perfume, and some
cleaning agents.
Move the Alarm and place in another location prior to performing any of the following:
• Staining or stripping wood floors or furniture
• Painting
• Wall papering
• Using adhesives
Storing the unit in a plastic bag during any of the above projects will protect the sensors from damage.
When household cleaning supplies or similar contaminates are used, the area must be well ventilated.
WARNING: REINSTALL THE ALARM AS SOON AS POSSIBLE TO ENSURE CONTINUOUS
DETECTION.
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13. Service And Warranty
Ten-Year Limited Warranty
Kidde warrants that the enclosed alarm (but not the AA replaceable batteries) will be free from defects
in material and workmanship or design under normal use and service for a period of ten years from the
date of purchase. The obligation of Kidde under this warranty is limited to repairing or replacing the
alarm or any part which we find to be defective in material, workmanship or design (part replacement
only, no installation), free of charge, upon receiving the alarm with proof of date of purchase, postage
and return postage prepaid, to Warranty Service Department, Kidde, 1016 Corporate Park Drive,
Mebane, NC 27302. Before shipping the product, please remove the batteries from the battery
compartment.
This warranty shall not apply to the alarm if it has been damaged, modified, abused or altered after the
date of purchase or if it fails to operate due to improper maintenance or inadequate power. Any implied
warranties arising out of this sale, including but not limited to the implied warranties of description,
merchantability and fitness for a particular purpose, are limited in duration to the above warranty period.
In no event shall the Manufacturer be liable for loss of use of this product or for any indirect, special,
incidental or consequential damages, or costs, or expenses incurred by the consumer or any other user
of this product, whether due to a breach of contract, negligence, strict liability in tort or otherwise.
The above warranty may not be altered except in writing signed by both parties hereto. Your Kidde
Alarm is not a substitute for property, fire, disability, life or other insurance of any kind. Appropriate
insurance coverage is your responsibility. Consult your insurance agent. Opening the unit will void the
warranty. If there are any differences between this printed warranty and the online limited warranty,
then the terms of the online warranty supersede those in this user guide or other printed materials.
Visit www.kidde.com for the latest warranty statement.
QUESTIONS OR FOR MORE INFORMATION
Call Kidde Product Support line at 1-877-542-5471
or contact us at www.kidde.com
Kidde
1016 Corporate Park Drive, Mebane, NC 27302
©2025 Kidde. All Rights Reserved.
Products conform to UL 2034.
