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OPERATING AND TESTING CO ALARM

When the battery is installed, Green LED will flash once indicating the alarm 

is powered and wait for about 1 minute to stabilize the sensor before testing the 

unit. To test the unit, press and hold the button until the repeating series of 4 

beeps sound with Red LED flashes. When the button is released, the siren will 

stop.

Check and test the CO alarm after installation. Ensure that you can clearly hear 

the CO alarm in sleeping area. It should be tested weekly and check after re-

occupation following a holiday.

Check that Green LED flashes about every minute to ensure the unit is in 

operating mode.

If the Green LED is not flashing once per minute, or the unit does not respond 

to the test button:

Make sure the unit contains the recommended type of battery 

1. 

Ensure the battery is installed correctly.

2. 

Make sure the unit has been cleaned adequately.

3. 

Check for obvious damage.

4. 

If the alarm still fails to work, it must be replaced immediately. Do not attempt 

to repair it yourself, warranty will be void.

Note: The test push button is independent function with hush button. During 

the normal testing mode, the silence feature will not active.

ADDITIONAL FEATURES

The CO alarm comes with the following friendly additional features for use. 

Silence feature

 - This feature can be used to silence nuisance alarms. Press 

test/silence button during alarm condition will silence the alarm signal for 4 

minutes. If the CO surrounding level reaches 200 ppm, the alarm will reacti-

vate. Observe that the Red LED repeatedly series 4 flashes during hush model 

last for 4 minutes. The unit will automatically return to normal mode after 4 

minutes. If the concentration is increased, the silencer (hush) feature is by pass 

and the unit will alarm. 

 CAUTION : If the CO concentration at 200 ppm the silence feature does not 

activate. The user must be aware that if the alarms continually after push the 

silence button, the CO concentration surrounding the alarm could be 200 ppm 

or greater. Always determine why the alarm has been trigged before using the 

silence feature. If the case of alarm is not clear, assure that there is an actual 

CO leakage and evacuate the area.

Summary of Contents for CN-1231

Page 1: ...its Do not expose to rain or moisture The detector will not protect against risk of carbon monoxide poisoning when the battery is flat Do cover the alarm when decorating REMEMBER to uncover the unit when decoration is finished excessive fumes from paints solvents cleaning agents etc may damage or deteriorate sensor The CO alarm shall not be seen as a substitute for proper servicing of fuel burning...

Page 2: ... as headaches tightness of chest dizziness fatigue confusion and breathing dif ficulties Because CO poisoning often causes a victim s blood pressure to rise the victim s skin may take on a pink or red cast Extreme exposure to CO can cause brain damage death WARNING EXPOSURE TO HIGH LEVELS OF CARBON MONOXIDE CAN BE FATAL OR CAUSE PERMANENT DAMAGE AND DISABILI TIES COMMON RISKS FOR CO POISONING Tech...

Page 3: ...ting bracket 1 by pushing it upwards and then fasten it onto the ceiling wall with the enclosed screws Connect the battery with ve 2 and ve in the correct position and close the battery cover Connect snap contact to relay 3 base and all connecting wires through the cable entry Fix CO alarm to the relay base 4 with the screws provided Hook the relay base on bracket 5 until it locks in place Now tes...

Page 4: ...ower CO alarm is an early warning device no more no less DO NOT PAINT the alarm WHERENOTTOINSTALLCOALARM Within 1 5m 5 feet of any gas appliance as furnace In any high level of dusty dirty or greasy area In damp or very humid areas outdoor room or next to bathroom at least installed the alarm 3 meters 10 feet away from the bathroom In very cold or very hot area where the temperature could not be l...

Page 5: ...attempt to repair it yourself warranty will be void Note The test push button is independent function with hush button During the normal testing mode the silence feature will not active ADDITIONAL FEATURES The CO alarm comes with the following friendly additional features for use Silence feature This feature can be used to silence nuisance alarms Press test silence button during alarm condition wi...

Page 6: ... function by pressing the test push button until an alarm sounds Self diagnostics Automatically check the sensor every 8s to ensure of correct operating of alarm Low battery warning When the battery power deteriorated the unit will emit one beep with Yellow LED flash every minute to remind user to replace battery Fault warning If a fault is detected the unit will emit 2 beeps with Yellow LED flash...

Page 7: ... 50 ppm 60 min 90 min 100 ppm 10 min 40 min 300 ppm 3 min The battery lasts for over one year About a month before the battery is com pletely flat the alarm emits a short signal with Red LED flashes every minute This is the signal that the battery needs replacement The alarm works as nor mal during this time Always test the alarm after changing the battery Replace battery with GP1604A Duracell MN1...

Page 8: ...detected Flash once every 8 seconds until alarm Memory function indicates the alarm has been activated before not from test button due to whatever reason 8s 8s 1 beep every 8 seconds last for 12 hours Press button once to reset to normal mode Low Battery Warning 1 beep flash every minute 1 min 1min Sensor Fault 2 beeps flash every 8 seconds 8s 8s 8s End of sensor lifetime warning 3 Beeps flash eve...

Page 9: ... applies if the alarms is used in the normal way and is serviced regularly The obligations of this warranty at our discretion shall be limited to the repair or replacement of any part of the alarm and is also conditional on the CO Alarm s not having been tampered with modified or subject to attempted repairs Your statutory rights as a customer are in no way compro mised by this Warranty Limitation...

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