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8. What to do if Your Alarm Sounds!
Carbon Monoxide Alarm Procedure
WARNING! Acvaon of the alarm indicates the presence of Carbon Monoxide (CO) which can kill you.
If alarm sounds (4 loud audible pulses followed by a pause for 5 seconds):
1) Immediately move to fresh air – outdoors or by an open door/window. Do a head count to
check that all persons are accounted for. Do not re-enter the premises nor move away from
the open door/window unl the emergency services responders have arrived, the premises
have been aired out, and your alarm remains in its normal condion.
2) Call Gas Emergency Services: 0800 111 999, or your local Gas Safe Registered Engineer:
PHONE NUMBER:
Never restart the source of the CO problem unl it has been corrected. Never ignore the sound
of the alarm! If the alarm is sounding, pressing the test/reset buon will terminate the alarm. If
the CO condion that caused the alert in the first place connues, the alarm will reacvate. If
the unit alarms again within six minutes, it is sensing high levels of CO which can quickly become
a dangerous situaon.