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(1) The CO Alarm will not work without good batteries. If the batteries have been drained
the Alarm will not give protection. Button test the Alarm monthly and on return from
holidays and other long absences.
(2) Carbon Monoxide must enter the CO Alarm for it to be detected. There may be Carbon
Monoxide in other areas of the house (e.g. downstairs, in a closed room etc) but not in
the vicinity of the CO Alarm. Doors, air draughts and obstructions can prevent the CO
reaching the Alarm. For these reasons we recommend CO Alarms are fitted both near
and in bedrooms, particularly if bedroom doors are closed at night. Additionally install
in rooms where members of the household spend much of their time, and in rooms with
potential sources of CO gas.
(3) The CO Alarm may not be heard. The sound output is loud but it may not be heard
behind a closed door or if it is too far away. RF interconnecting CO Alarms greatly
improves the probability that they will be heard. The Alarm may not wake up somebody
who has taken alcohol or drugs. The Alarm sound may be masked by other sounds such
as T.V., stereo, traffic noise etc. Fitting CO Alarms on either side of closed doors will
improve their chance of being heard. This CO Alarm is not designed for people with
impaired hearing.
(4) CO Alarms don’t last indefinitely. CO Alarms are sophisticated electronic devices with
many parts. Although the Alarm and its component parts have undergone stringent
tests, and are designed to be very reliable, it is possible that parts can fail. Therefore, you
should test your CO Alarm monthly. The CO Alarm must be replaced when the “REPLACE
6. Limitations of CO Alarms
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