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8. What to do if Your Alarm Sounds!
Carbon Monoxide Alarm Procedure
WARNING! Ac1va1on of the alarm indicates the presence of Carbon Monoxide (CO)
which can kill you
.
Based on recommenda3ons from EN 50292, follow these steps if alarm sounds (4 loud audible pulses
followed by a pause for 5 seconds):
1. Keep calm and open all doors and windows. Turn off all fuel-burning appliances if possible. Note: it is possible
that outdoor condi3ons could influence domes3c CO alarms (bad traffic pollu3on in cold weather, for example).
In these circumstances, the level of indoor CO might actually increase when doors and windows are opened.
2. If the alarm con3nues to sound, even a%er being reset (where appropriate), then evacuate the premises, aler3ng
other occupants to the risk. Leave doors and windows open. Do not re-enter the premises.
3. Get medical help for anyone suffering the effects of CO poisoning, and advise that CO inhala3on is suspected.
4. 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 bu on 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.
!
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